A current will not be induced because the wire is not part of a closed circuit.

Answer:

B.The pin pushes the bowling ball toward the left.

Explanation:

As stated by Newton's third law:

"When any object A exerts a force on another object B, then object B exerts an equal and opposite force on object B". These two forces are called action and reaction.

In this example, the ball is our object A, while the pin is object B. We are told that the ball exerts a force on the pin, toward the right: therefore, the pin must exerts an equal and opposite force on the ball. So this force will be in the opposite direction, therefore toward the left.

Answer:

It’s B

Explanation:

Hope this helps!

The result of 1.58 divided by 3.793, when rounded to the correct number of significant figures, is 0.417.

When calculating 1.58 divided by 3.793 and expressing the answer with the correct number of significant figures, it's important to look at the number of significant figures in both of the numbers we are dividing. The number 1.58 has three significant figures, and the number 3.793 has four significant figures. In division, the rule is that the final answer should be expressed with the same number of significant figures as the number with the least amount of significant figures used in the calculation.

The result of the division is 0.4165877..., but when rounded to three significant figures, the answer is 0.417. This is because we must express our answer with only three significant figures as dictated by the least number of significant figures present in the math problem (which is from 1.58).

Answer:

a and d

Explanation:

Final answer:

Distance is a scalar quantity denoting the total path length traveled, while displacement is a vector quantity signifying the change in position in a specific direction from start to end point.

Explanation:

The difference between distance and displacement lies in their definitions. Distance refers to the total length of the path traveled irrespective of direction, and is considered a scalar quantity because it only has magnitude. Conversely, displacement is a vector quantity, which means it has both magnitude and direction. Displacement is defined as the straight line distance in a specific direction from the starting point to the ending point.

For example, if you walk around a track that forms a perfect 400-meter circle and end up at the starting point, your distance traveled would be 400 meters, but your displacement would be zero, as there was no change in your position from start to finish. If, however, you walk a straight line from the start to a point 100 meters away, your distance and your displacement would both be 100 meters, the latter also including the direction from the starting point.

In physics, for calculating work done or gravitational force, it is important to consider displacement rather than just distance, since direction is a vital component of these calculations.

Answer:

Part a)

[tex]v_{avg} = 37.5 m/s[/tex]

Part b)

[tex]a = 2.25 m/s^2[/tex]

Part c)

[tex]d = 750 m[/tex]

Explanation:

Part a)

Since we know that bus is moving uniformly from initial speed of 15 m/s to 60 m/s in 20 seconds

So we will have

[tex]v_{avg} = \frac{d}{t}[/tex]

we know that

[tex]d = \frac{v_f + v_i}{2} t[/tex]

so we have

[tex]v_{avg} = \frac{v_f + v_i}{2}[/tex]

[tex]v_{avg} = \frac{15 + 60}{2}[/tex]

[tex]v_{avg} = 37.5 m/s[/tex]

Part b)

As we know that acceleration is rate of change in velocity

so it is given as

[tex]a = \frac{v_f - v_i}{t}[/tex]

[tex]a = \frac{60 - 15}{20}[/tex]

[tex]a = 2.25 m/s^2[/tex]

Part c)

distance moved by the bus is given as

[tex]d = v_{avg} \times t[/tex]

[tex]d = 37.5 \times 20[/tex]

[tex]d = 750 m[/tex]

Answer:

4) all of the above

Explanation:

In numerical analysis through graphs, interpolation is done where in new data points which lie in the range of a set of known data values to find the approximate value which also means to infer an known intermediate value. A dashed line is drawn between the plotted data to estimate the value of the function in between.

Thus, the correct option is (4)

The color of stars with the highest surface temperature is bluish, and the color of stars with the lowest surface temperature is reddish.

The color of a star primarily depends on its surface temperature. Hotter stars emit more energy and tend to appear bluish, while cooler stars emit less energy and appear reddish. This is due to the fact that hotter objects emit more high-energy, short-wavelength light, which corresponds to the blue end of the spectrum. Conversely, cooler objects emit more lower-energy, long-wavelength light, associated with the red end of the visible spectrum. For example, a star with a surface temperature around 10,000 °C will appear blue or bluish-white, while a star with a surface temperature around 3,000 °C will appear red. This correlation between color and temperature is vital for astronomers, as the color index provides a way to measure the temperatures of stars. The color of stars effectively acts as a sort of cosmic thermometer, allowing astronomers to deduce various characteristics of a star including its size, age, and chemical composition.

Answer:

8.5m/s

Explanation:

Given the initial velocity to be 12m/s at an angle of 45° to the ground. The horizontal component of the velocity can be expressed as U cos (theta) where;

U is the initial velocity of the object

theta is the angle between the initial velocity and the horizontal. Mathematically, Ux = Ucos(theta)

Ux = 12cos45°

Ux = 12×1/√2

Ux = 12×√2/2

Ux = 6√2m/s

Ux = 8.48m/s

Ux = 8.5m/s(to nearest tenth)

The weight(force of gravity) of the child is: D. 98 Newton.

Given the following data:

We know that the acceleration due to gravity (a) of an object on planet Earth is equal to 9.8 meter per seconds square.

To calculate the weight(force of gravity) of the child:

Mathematically, the weight(force of gravity) of an object or body is calculated by using the following formula;

[tex]Weight = mg[/tex]

Where:

Substituting the given parameters into the formula, we have;

[tex]Weight = 10[/tex] × [tex]9.8[/tex]

Weight(force of gravity) = 98 Newton

Therefore, the weight(force of gravity) of the child is 98 Newton.

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The correct answer is Actinides.

Answer:

not A. 6.0x10^1 on clever/plato

Explanation:

got it wrong

correct answer is B: endoplasmic reticulum

Endoplasmic reticulum  is a network of membrane inside a cell through which proteins and other molecule move .

The endoplasmic reticulum is like factory conveyer belt . It helps to transport material within the cell . It provide rote to deliver drugs bypassing the acid pH , hydrolytic environment of the lysosome. It synthesis and  transports , protein folding , lipid ,carbohydrate metabolism and calcium storage .

correct answer is B: endoplasmic reticulum

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Kinetic energy increases with increases in both mass and velocity, with velocity having a more significant impact due to its squared relationship in the kinetic energy formula KE = 0.5 x m x v².

The factors that cause kinetic energy to increase are an increase in mass and an increase in velocity. From the information given, kinetic energy is proportional to the mass of an object and to the square of its velocity, which is represented by the equation KE = 0.5 times m times v². Therefore, if we double the mass of an object, its kinetic energy would double, and if we double its velocity, its kinetic energy would quadruple, demonstrating a much more significant increase in kinetic energy with an increase in velocity. This principle underscores the profound influence of velocity on kinetic energy variations, elucidating the intricate interplay between mass, velocity, and energy manifestations in physical systems.

Student uses a magnet to move a 0.025 kg metal ball magnet exerts a force of 5 N which causes the ball to begin moving than the acceleration of the ball when it begins to move is 200 m/s².

A force in physics is an effect that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Given in the question student uses a magnet to move a 0.025 kg metal ball magnet exerts a force of 5 N then the acceleration is given as,

F = ma

a = F/m

a = 5/0.025

a =  200 m/s²

The acceleration of the ball when it begins to move is 200 m/s².

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Answer:

C is the answer

The bolt's acceleration relative to the train car is 0 m/s², and relative to the Earth, it has a horizontal component of 2.50 m/s² and a vertical component of 9.81 m/s².

The student is asking a physics question related to relative acceleration. (a) The acceleration of the bolt relative to the train car is 0 m/s² since it was initially at rest with respect to the train car before dropping. (b) The acceleration of the bolt relative to the Earth combines the acceleration due to gravity and the acceleration of the train. This results in a compound acceleration where the horizontal component is 2.50 m/s² (train's acceleration) and the vertical component is 9.81 m/s² (gravity's acceleration).

The evaporated water cools and drops get closer together happens in the atmosphere to the water in order for the clouds to form.

The continual flow of water from the earth's surface to the atmosphere and back to the ground is known as the water cycle, or hydrologic cycle. It is a never-ending process. As a result, it lacks a beginning and an end. As a result, water has been in motion on earth since the planet's formation. In the process, water transitions between the solid, liquid, and gas phases. The water cycle is aided by a number of elements, including the sun and air currents, to mention a few.

Water from wells, lakes, ponds, the sea, rivers, and many other sources evaporates throughout the daytime in the presence of sunshine, and this water vapor rises with the heated air. The air cools as it rises, causing water vapor to condense into tiny droplets that eventually become clouds.

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In the field of Chemistry, an Atom is a tiny piece of matter, an Element is a substance that cannot be broken down into a simpler substance, a Particle is the basic unit of an element, and a Phase is a unique form of matter in which it can exist.

The correct matches for these definitions are as follows:

These are basic terms in chemistry and understanding them can help you in your study of matter, its properties, and how it changes.

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