Answer:
I would strongly recommend Exploring Quantum Physics through Hands-on Projects for physics practicals.
Explanation:
Though it is not about books, but it is solely on you how you want to get knowledge. If you are truly passionate about learning physics in a practical way "Exploring Quantum Physics through Hands-on Projects" will be the best one out there.Besides "Laboratory Projects in Physics, a Manual of Practical Experiments for Beginners" is also a promising one.There are detailed chapters on important topics like light as a wave and particles, atoms and radioactivity, Schrödinger, etc.If you wisely follow these books, you will surely get all your doubts cleared and learn new mechanisms easily.The best book for physics practicals, particularly for university-level students, is often considered to be 'Principles and Practice of Physics' by Eric Mazur due to its clear examples and structured sequence. OpenStax's 'University Physics I' is an excellent alternative with open-source availability. A balance of textbooks, resources, and instructor guidance can provide a robust physics learning experience.
When searching for the best book for physics practicals, the University Physics I by Eric Mazur, entitled Principles and Practice of Physics, comes highly recommended. This book is known for its clear explanations, terminology consistency with other resources, and its sequence of content presentation. It is packed with worked-out examples and offers self-quiz conceptual questions that are crucial for understanding practical aspects of physics.
Alternatively, students looking for online and open-source textbooks can turn to resources like University Physics I at OpenStax, which offers an abundance of exercises and a more traditional presentation style. For computational physics enthusiasts, texts like A Practical Introduction to Computational Physics and Scientific Computing could be explored.
Ultimately, these books along with different ways to digest physics concepts, such as discussions with instructors and accessing resources in the Physics library, can cater to the diverse needs of physics students. It's important to consider one's own learning style and curriculum requirements when choosing the right practical physics text.
Help! I’m so confused by this
it is a transverse wave
A transverse wave is the one that sets the particles of medium into oscillations perpendicular to the direction of wave propagation. So yes, a transverse wave needs a materialistic medium to propagatee.
Examples of transverse waves include:
ripples on the surface of water.
vibrations in a guitar string.
a Mexican wave in a sports stadium.
electromagnetic waves – eg light waves, microwaves, radio waves.
transverse waves require a material medium and propogate by means of vibrations of the medium perpendicular to the direction of travel. ... Electromagnetic (EM) waves (such as light) are also transverse waves but they do not require a medium and thus can pass through a vacuum
what is another name for a business name or manufacture's name
Answer:
brand name, or company
Explanation:
a brand name is the kind of product they are selling. a company is the group of peaple that wok together.
Answer: maker or producer
Explanations:
How long can a flashlight run for if it draws 0.11 amps and its battery contains 10 coulombs of change?
Answer:
Battery will run for t = 90 s
Explanation:
As we know that rate of flow of charge is known as electric current
So we will have
[tex]i = \frac{Q}{t}[/tex]
[tex]i = 0.11 A[/tex]
[tex]Q = 10 C[/tex]
now we have
[tex]t = \frac{Q}{i}[/tex]
[tex]t = \frac{10}{0.11}[/tex]
[tex]t = 90 s[/tex]
Given a flashlight that draws 0.11 amps and has a battery with 10 coulombs of charge, it can run for approximately 90.9 seconds before the battery is depleted.
The duration for which a flashlight can run is determined by the charge in its battery and the current it draws. To calculate the run time, we use the formula time (seconds) = total charge (coulombs) / current (amperes). Given that the flashlight draws 0.11 amps and has a battery containing 10 coulombs of charge, the run time can be calculated as follows:
Time = Total Charge / Current
Time = 10 coulombs / 0.11 amps
Time = approximately 90.9 seconds
Therefore, the flashlight can run for about 90.9 seconds before the battery is depleted.
An electromagnet is a
with a
core.
Answer:
An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. The poles of an electromagnet can even be reversed by reversing the flow of electricity.
Answer:
solenoid & metal
Explanation:
What mixture is a blueberry muffin
Answer:
Soft bumpy smooth
Explanation:
What waves need molecules in order to transfer energy
Answer:
Mechanical waves
Explanation:
Waves are periodic oscillations, that carry energy, but not matter.
Waves are classified into two types:
- Mechanical waves: these waves are produced by the oscillations of the particles in a medium, which can oscillate along the direction of propagation of the wave (longitudinal wave) or perpendicular to the direction of motion of the wave (transverse wave). These waves can only propagate in a medium, so they cannot travel in a vacuum. Examples of mechanical waves are sound waves.
- Electromagnetic waves: these waves are produced by the oscillations of electric and magnetic field. They are transverse waves. They are the only type of wave able to propagate through a vacuum (so, through space).
Therefore, the waves that need molecules in order to transfer energy are mechanical waves.
Researchers have estimated that what to what genes reside within the chromosomes and influence all genetic characteristics
The water pressure at the bottom of the Marianas Trench is approximately 1,150 kPa. With how much force would the water pressure at the bottom of the trench push on a fish with a surface area of 0.65-m2 ?
Answer:
750 kN
Explanation:
Pressure = force / area
P = F / A
1,150,000 Pa = F / 0.65 m²
F = 747,500 N
Rounded to two significant figures, the force is 750,000 N, or 750 kN.
A positive charge of 0.00047 C is 15 m from a negative charge of 0.00089 C. What is the force of one of the charges due to the other charge in units of Newtons?
Answer:
16.732 N
Explanation:
Given:
q1 = 0.00047 C = 4.7 x 10^-4 C
q2 = 0.00089 C = 8.9 x 10^-4 C
d = 15 m
k = 9 x 10^9 N m^2 / C^2
To Find:
F = ?
Solution:
F = k x q1 x q2/d^2
F = 9 x 10^9 x 4.7 x 10^-4 x 8.9 x 10^-4 / 15 x 15
F = 9 x 4.7 x 8.9 x 10^9 x 10^-4 x 10^-4 / 225
F = 9 x 4.7 x 8.9 x 10^9 x 10^-8 / 225
F = 9 x 4.7 x 8.9 x 10 / 225
F = 418.3/25
F = 1673.2/100
Therefore, F = 16.732 N
PLZ MARK ME AS BRAINLIEST!!!
A student pulls a 2.0-kg object to the left with a force of 30 N, while another student is pulling against the object in the opposite direction with a force of 20 N. What is the acceleration of the object?
5 m/s2, left
5 m/s2, right
20 m/s2, left
20 m/s2, right
Answer:
5 m/s2, left
Explanation:
We can solve the problem by applying Newton's second law of motion, which states that:
[tex]\sum F=ma[/tex]
where:
[tex]\sum F[/tex] is the net force acting on an object
m is the mass of the object
a is its acceleration
In this problem, we have:
[tex]\sum F=30 N - 20 N = 10 N[/tex] (to the left) is the net force on the object
m = 2.0 kg is the mass
So, the acceleration is:
[tex]a=\frac{\sum F}{m}=\frac{10}{2.0}=5.0 m/s^2[/tex]
in the same direction as the force (left).
What is the current in the circuit if the charge passing each point is 240C in 5mins ?
Current in the circuit is 0.8 A
Explanation:
Electric current is the flow of electric charges. To find the current in a circuit, find the amount of electric charges flowing through the circuit at a particular time period. Electric current exists only if there is a net flow of charge. The relationship between current, charge and time is given byCharge = Current × Time
⇒ Q = I × t
Given, charge, Q = 240 C and time = 5 mins = 5 × 60 = 300 seconds
⇒ I = Q/t = 240/300 = 0.8 A
While jumping on a trampoline you calculate that at the highest peak of your jump you have 900 joules of gravitational potential energy. What will be your kinetic energy just before landing back on the trampoline?
Jumping on a trampoline is a classic example of conservation of energy, from potential into kinetic. It also shows Hooke's laws and the spring constant. Furthermore, it verifies and illustrates each of Newton's three laws of motion.
Explanation
When we jump on a trampoline, our body has kinetic energy that changes over time. Our kinetic energy is greatest, just before we hit the trampoline on the way down and when you leave the trampoline surface on the way up. Our kinetic energy is 0 when you reach the height of your jump and begin to descend and when are on the trampoline, about to propel upwards.
Potential energy changes along with kinetic energy. At any time, your total energy is equal to your potential energy plus your kinetic energy. As we go up, the kinetic energy converts into potential energy.
Hooke's law is another form of potential energy. Just as the trampoline is about to propel us up, your kinetic energy is 0 but your potential energy is maximized, even though we are at a minimum height. This is because our potential energy is related to the spring constant and Hooke's Law.
20 POINTS!!!!!!!!
An electromagnet is a temporary magnet made by coiling wire around an iron core which becomes a magnet when an electric current flows through the wire.
How could the strength of an electromagnet be increased?
A) Use fewer coils of wire around the nail.
B) Use more coils of wire around the nail.
C) Use a battery with less voltage.
D) Use a smaller nail.
Answer: The answer is B :) !
Explanation:
You will get it correct loves !
Final answer:
The strength of an electromagnet can be increased by using more coils of wire around the iron core, which concentrates the magnetic field and enhances it through the electric current passing through the additional coils. So the correct option is B.
Explanation:
The strength of an electromagnet can be increased by a few different methods. One way is to use more coils of wire around the iron core, as the amount of current flowing through these additional coils will result in a stronger magnetic field. This is because the magnetic field produced by each coil of wire adds together to create a more concentrated field inside the core. In fact, the strength of the magnetic field in a solenoid is directly proportional to the number of turns in the coil and the electric current passing through it. Using a ferromagnetic core, such as iron, also increases the strength of the electromagnet because the ferromagnetic material enhances the magnetic field within the coil.
Therefore, the correct answer to the question, 'How could the strength of an electromagnet be increased?' is B) Use more coils of wire around the nail.
Your heating system is 60% efficient. If it consumes 12,052 kWh of energy to heat
your house, how much useful energy(kWh) does it produce?
Answer:
E = 7231.2 [kWh]
Explanation:
All systems that produce work in the mechanical form of movement or heat, they have an efficiency that depends on the construction technology, ideally in each of these equipments is that their efficiencies are as high as possible, that is, its efficiency is close to 100%. For this case we have an equipment with 60% efficiency, this heating system is characterized since of the 12,052 kWh, it uses 60% of this value only to heat the house, the rest of energy is known as lost.
E = 12,052 * (60/100)
E = 7231.2 [kWh]
This amount of energy 7231.2 [kWh] is used for heating purposes.
A balloon has a volume of 3.5-L at 25^ * C . What would be the volume of the balloon if it were placed in a container of hot water at 95^ * C ?
Answer:
4.3 L
Explanation:
Ideal gas law:
PV = nRT
Rearrange:
V / T = nR / P
Since n, R, and P are constant:
V₁ / T₁ = V₂ / T₂
Plug in values and solve:
(3.5 L) / (25 + 273.15 K) = V / (95 + 273.15 K)
V = 4.3 L
A bee flies forward at 4.9m/s for 48s , lands on a flower and stays there for 28s , then flies back along its previous route at 5.1m/s for 38s . What is the total displacement of the bee? Round your answer to the nearest thousandth, if necessary.
"Displacement" is the distance and direction between the start-point and the end-point, regardless of the route taken on the way.
From this definition, it's easy to see that the bee's displacement at the end of the adventure is zero.
The bee's distance and average speed could also be calculated using the given information, but are not requested.
The total displacement of the bee is calculated by subtracting the return displacement from the forward displacement, resulting in a total displacement of 41.4 meters in the direction of the initial forward flight.
To calculate the total displacement of the bee, we need to consider the distance traveled in each direction and then sum these distances, taking into account the direction of travel. Initially, the bee flies forward at 4.9m/s for 48s, and then it returns along its previous route at 5.1m/s for 38s.
First, we calculate the forward displacement:
4.9m/s * 48s = 235.2m
Then, the return displacement:
5.1m/s * 38s = 193.8m
Since displacement is a vector quantity, we must consider the direction. The total displacement would be the forward displacement minus the return displacement because the bee returns along its previous route.
Total displacement = 235.2m - 193.8m = 41.4m
Therefore, the total displacement of the bee, rounded to the nearest thousandth if necessary, is 41.4m in the direction of the initial forward flight.
One of the first scientists to theorize that heat is caused by the motion of objects or particles was Abū Rayhān al-Bīrūnī, who lived in the region of modern-day Iran during the 11th century. In addition to his studies in physics and mathematics, al-Birunī was extremely interested in the different cultures of his time. Because of his detailed study of peoples and cultures, he is considered by many to be the "father of anthropology." About 600 years later, an English scientist named Robert Hooke also argued that heat is caused by motion. Hooke made many discoveries in physics, but he was also an accomplished architect and surveyor. He applied these skills to help rebuild London after the great fire of 1666. The above example suggests that A. scientists with different backgrounds never reach similar conclusions. B. scientists tend to come from similar backgrounds. C. scientists possess varied talents and interests. D. scientists have similar talents and interests.
Answer:
C. scientists possess varied talents and interests.
Explanation:
The above passage suggests clearly that often times, scientists possess varied talents and interests.
Cases were made of Abū Rayhān al-Bīrūnī and Robert Hooke. Both were scientists and had the same time had interests in other disciplines.
Abū Rayhān al-Bīrūnī, a Persian made scientific contribution to the studies of heat, more so, his interest in cultures lucidly made him an erudite and foremost founding father of anthropology. Physics/mathematics and Anthropology are different fields with varied interests. Robert Hooke, was interested in physics. Besides this, he was skilled architect and surveyor. Physics and architecture/surveying are different fields. They are varied and dissimilar in nature.Therefore, we can argue that the tone set by the author conveys a clear focal point that often times, scientists possess varied talents and interests.
Answer:
c
Explanation:
what is speed in your own words
Answer:
speed is defined as distance travelled per unit time
Answer: Speed is the measure of how fast an object is moving.
Explanation: Speed is expressed as the ratio of the distance travelled per unit time.
what is Nuclear energy
Answer:
Nuclear energy is that released by dividing the nuclei of heavy atoms (also called under the name Nuclear Fission)
Explanation:
In this process, a large amount of heat is generated that can be used to obtain mechanical energy, which is used to generate electrical energy.
Nuclear energy is a sustainable source of energy having a low impact on the environment.
a body initially at rest, starts moving with a constant acceleration of 2ms-2 .calculate the velocity acquired and the distance travelled in 5s
a) 10 m/s
b) 25 m
Explanation:
a)
The body is moving with a constant acceleration, therefore we can solve the problem by using the following suvat equation:
[tex]v=u+at[/tex]
where
u is the initial velocity
v is the final velocity
a is the acceleration
t is the time
For the body in this problem:
u = 0 (the body starts from rest)
[tex]a=2 m/s^2[/tex] is the acceleration
t = 5 s is the time
So, the final velocity is
[tex]v=0+(2)(5)=10 m/s[/tex]
b)
In this second part, we want to calculate the distance travelled by the body.
We can do it by using another suvat equation:
[tex]v^2-u^2=2as[/tex]
where
u is the initial velocity
v is the final velocity
a is the acceleration
s is the distance travelled
Here we have
u = 0 (the body starts from rest)
[tex]a=2 m/s^2[/tex] is the acceleration
v = 10 m/s is the final velocity
Solving for s,
[tex]s=\frac{10^2-0^2}{2(2)}=25 m[/tex]
A weightlifter lifts a barbell above her head. Is there work done on the barbell?
Answer:
Yes
Explanation:
The work done on a body relies upon the force, displacement, and the angle made between the force and the displacement.
Here, the force acting on the barbell is vertically downwards while the vertical displacement is in the upward direction. The angle made between the force (weight) and the displacement is [tex]180^{\circ}.[/tex] Thus, a work will be done on the barbell by its weight.
The work done on a body relies upon the force, displacement, and the angle made between the force and the displacement.
What is force?
A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is body with some mass than there is force.
Work in physics is the energy that is transferred to or from an item when a force is applied along a displacement. In its simplest form, it equals the product of the force's magnitude and the distance traveled for a constant force directed in the direction of motion.
Here, the force acting on the barbell is vertically downwards while the vertical displacement is in the upward direction. The angle made between the force (weight) and the displacement.
Thus, a work will be done on the barbell by its weight.
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A block of mass 22 kg is sliding along the ice at constant speed 5.0 m/s. Just ahead of it is a block of mass 29 kg sliding in the
same direction at constant speed 4.6 m/s. When the two blocks collide, the 29-kg block travels at a new speed of 7.2 m/s. What is
the new speed of the 22-kg block?
The new speed of 22 kg block is 1.57 m/s
Explanation:
Given-
Mass, [tex]m_{1}[/tex]= 22 kg
speed, [tex]v_{1}[/tex] = 5 m/s
[tex]m_{2}[/tex] = 29 kg
[tex]v_{2i[/tex] = 4.6 m/s
New speed of [tex]m_{2}[/tex], [tex]v_{2f}[/tex] = 7.2 m/s
New speed of [tex]m_{1}[/tex], [tex]v_{1f}[/tex] = ?
This is the case of elastic collision.
So,
[tex]M_{1}[/tex] X [tex]V_{1i}[/tex]+ [tex]M_{2}[/tex] X [tex]V_{2i}[/tex] = [tex]M_{1}[/tex] X [tex]V_{1f}[/tex] + [tex]M_{2}[/tex] X [tex]V_{2f}[/tex]
22 X 5 + 29 X 4.6 = 22 X[tex]V_{1f}[/tex] + 29 X 7.2
22 [tex]V_{1f}[/tex] + 208.8 = 243.4
22 [tex]V_{1f}[/tex]= 34.6
[tex]V_{1f}[/tex]= 1.57 m/s
Therefore, the new speed of 22 kg block is 1.57 m/s
A free body diagram of a brick on an inclined plane is shown below. What is the mechanical advantage of the inclined plane?
The mechanical advantage of an inclined plane can be calculated using the formula: MA = length of incline / height of incline. For example, if the length of the incline is 10 meters and the height of the incline is 2 meters, then the mechanical advantage would be 5.
Explanation:The mechanical advantage of an inclined plane can be calculated using the formula:
Mechanical Advantage (MA) = length of incline / height of incline
In the case of a brick on an inclined plane, the length of the incline would be the distance along the surface of the plane and the height of the incline would be the vertical distance from the base of the incline to the top.
For example, if the length of the incline is 10 meters and the height of the incline is 2 meters, then the mechanical advantage would be 10 / 2 = 5.
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The mechanical advantage of an inclined plane can be calculated using the length and height of the incline, which tells us how much the plane multiplies the effort force, simplifying tasks like lifting heavy objects.
Explanation:To calculate the mechanical advantage (MA) of an inclined plane, you can use the formula MA = Length of Incline / Height of Incline. The mechanical advantage tells you how much the inclined plane multiplies the effort force, allowing you to overcome the weight of the object with less force. This efficiency is due to the larger distance over which the force is applied when using the inclined plane as compared to lifting the object straight up.
The ideal mechanical advantage (IMA) is the theoretical maximum mechanical advantage you could get from an inclined plane if there were no energy losses due to friction. In reality, the actual mechanical advantage will be less than the ideal mechanical advantage because of frictional forces.
Applying this concept, pushing a brick up an inclined plane requires less force than lifting it vertically because the weight of the brick is distributed over a longer distance. The inclined plane, a simple machine, reduces the effort needed to raise the brick, similar to how ancient civilizations like the Egyptians used ramps to lift heavy blocks during pyramid construction.
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Balanced forces keep this boy in place on his chair. What
are the two equal and opposite forces occurring here?
INILULU
© 2014 K. Wright
While the boy is sitting on the chair it creates a force downward on the chair and therefore the chair takes it and gives off the equal amount of force. So while he is putting force downward the chair is putting the same force upward.
Answer: While the boy is sitting on the chair it creates a force downward on the chair and therefore the chair takes it and gives off the equal amount of force. So while he is putting force downward the chair is putting the same force upward.
Explanation:
If 2.0j of work is done in raising 180g apple, how far was it lifted?
Work = (force)x(distance)
Since we're lifting, the 'force' is the weight of the apple.
Weight = (mass)x(gravity)
Weight = (0.180 kg)x(9.8 m/s^2)
Weight = 1.764 Newtons
2.0 J = (1.764 N) x (distance)
Distance = 2.0J / 1.764N
Distance = 1.13 meters
An apple is lifted "1.1337 meters" far.
Given values are:
Work done,
W = 2 JMass,
m = 180 gor,
= 0.18 kg
and,
g = 9.8As we know the formula,
→ [tex]Work \ done (W)= mgh[/tex]
or,
→ [tex]h = \frac{W}{mg}[/tex]
By substituting the values, we get
→ [tex]= \frac{2}{0.18\times 9.8}[/tex]
→ [tex]= \frac{2}{1.764}[/tex]
→ [tex]= 1.1337 \ meters[/tex]
Thus the above response is correct.
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A force of 600 N is acting on a motorcycle that has a mass of 240 kg. What is the acceleration of the motorcycle?
Answer:
2.5m/s2
Explanation:
The following were obtained from the question:
F = 600N
M = 240 kg
a =?
Recall: F = Ma
a = F/M
a = 600/240
a = 2.5m/s2
Therefore, the acceleration of the motorcycle is 2.5m/s2
Answer:
Explanation:
force(f)=600N
Mass(m)=240kg
Acceleration(a)=?
Acceleration=force/mass
Acceleration=600/240
Acceleration=2.5m/s^2
Using the right-hand rule from your lessons, determine the directions of the electrical current and magnetic field of the electromagnet. Create an illustration of these perpendicular forces and include it below. (You can take a picture of your illustration or use an online drawing program to make your illustration.)
Answer:
Hello there use something that looks like this
Explanation:
This is an accurate representation of something you are working on!
As you can see the wire and the core are represented on the left and is showing how it can be represented on your right hand and how they are similar!
- A line passing through D(5c, 10) and T[8,40]has a gradient of 3. Find the value of C
Answer:
- 2/5
Explanation:
Data obtained from the question include
x1 (x coordinate 1)= 5c
x2 (x coordinate 2) = 8
Δx (change in x coordinate) = x2 - x1 = 8 - 5c
y1 (y coordinate 1) = 10
y2 (coordinate 2) = 40
Δy (change in y coordinate) = y2 - y1 = 40 - 10 = 30
m (gradient) = 3
The gradient is also called the slope and it is represented mathematically as:
Gradient = (change in y coordinate)/(change in x coordinate)
M = Δy/Δx
3 = 30/ 8 - 5c
Cross multiply to express in linear form as shown below:
3(8 - 5c) = 30
Clear the bracket
24 - 15c = 30
Collect like terms
- 15c = 30 - 24
- 15c = 6
Divide both side by - 15
c = 6/-15
c = - 2/5
Therefore, the value of c is - 2/5
Which concept are described in the theory proposed by Hess
Answer:Correct Answers are Mid ocean ridges are sites of seafloor spreading and Younger ocean floor is created
Explanation : Hess was a geophysicist. In 1960, he proposed a theory which is later became known as 'Sea Floor Spreading'. Hess discovered that the oceans were shallower in the middle. According to Hess, From Earth's mantle molten material is continuously flowing along the crests of the mid-ocean ridges . As soon as temperature of magma decreases, it is pushed away from the flanks of the ridges. Due to this process a younger ocean floor is created.Hess also proposed that due to light weight of continental crust, it didn't sink back into the deep earth at trenches as did the oceanic crust.
Final answer:
Hess's law states that the enthalpy change of a reaction is equal to the sum of the enthalpy changes of its individual steps. This reflects the nature of enthalpy as a state function and allows for the calculation of enthalpy changes for complex reactions, such as using the Born-Haber cycle for lattice energies.
Explanation:
The concept described in the theory proposed by Hess is Hess's law, which states the enthalpy change of a reaction is the sum of the enthalpy changes of the individual steps that make up the reaction. In other words, the total enthalpy change for a reaction does not depend on the pathway taken from reactants to products but is the same for any series of steps leading from the initial state to the final state. This principle is particularly useful for calculating the enthalpy changes for reactions where direct measurement is challenging.
Hess's law is a reflection of the fact that enthalpy (H) is a state function, meaning that its value is determined by the initial and final states of a system, irrespective of the path taken to get there. Hess's law allows chemists to use established enthalpy changes of known reactions (like those listed in thermochemical tables) to calculate the enthalpy change for a complex reaction. For instance, the Born-Haber cycle utilizes Hess's law to determine the lattice energy of ionic compounds.
A hockey puck (m=0.2kg) is dragged by a force of 10N. What is it’s acceleration
Answer: a= 50 m/s²
Explanation: Acceleration is force per unit mass.
a= F/ m
= 10 N / 0.2 kg
= 50 m/s²