Answer: Solids
Explanation: Solids have very little movement and the particles have barely enough movement to vibrate. We can't see it but the particles are indeed vibrating. Solids have the least amount of kinetic energy which is moving energy.
If the average mass of an adult is 86kg. Determine the mass and weight of an 86kg man in the moon where gravitational field is one-sixth that of the earth.
Answer:
See the explanation below, and the different answers
Explanation:
It is important to clarify that the mass is always preserved, that is, it does not vary regardless of the location of the person, whether the moon, Saturn, Mars. The value that changes is the weight, due to the gravity of each planet.
On Earth
m = 86[kg]
w = m * g
where:
g = gravity acceleration = 9.81[m/s^2]
w = weight = [N]
w = 86 * 9.81
w = 843.66 [N]
On the Moon
m = 86[kg]
w = m * g
where:
g = gravity acceleration * (1/6) = 9.81 * (1/6) = 1.635 [m/s^2]
w = weight = [N]
w = 86 * 1.635
w = 140.61 [N]
The mass of the man would still be 86kg, but his weight on the moon would be approximately 14.33kg.
Explanation:To determine the mass and weight of an 86kg man on the moon, where the gravitational field is one-sixth that of Earth's, we can use the equation:
Weight = mass x gravitational field
Since the mass of the man is 86kg, the weight on the moon would be:
Weight = 86kg x (1/6) = 14.33kg
Therefore, the mass of the man would still be 86kg, but his weight on the moon would be approximately 14.33kg.
Learn more about Weight on the moon here:https://brainly.com/question/34136037
#SPJ3
Many people are familiar with the fact that a rifle recoils when fired. This recoil is the result of
action-reaction force pairs. A gunpowder explosion creates hot gases which expand outward
allowing the rifle to push forward on the bullet. Consistent with Newton's third law of motion,
the bullet pushes backwards upon the rifle. The acceleration of the recoiling rifle is ..
A. greater than the acceleration of the bullet.
B. smaller than the acceleration of the bullet.
Or
C.the same size as the acceleration of the bullet.
Explain your answer.
Answer: b
The force on the rifle equals the force on the bullet. Yet, acceleration depends on both force and mass. The bullet has a greater acceleration due to the fact that it has a smaller mass. Remember: acceleration and mass are inversely proportional
What are the similarities and differences between chemical and physical properties?
Answer:
Physical properties are different from chemical properties of a substance. The main difference between physical and chemical properties is that physical properties can be observed without changing the chemical composition of a substance whereas chemical properties can be observed by changing the chemical composition of a substance.
Explanation:
The differences are:
1. Physical change is easily reversible while chemical change is not easily reversible
2. Physical change forms no new substance. while chemical change forms new substance
3. In Physical change there is no change in the mass of a substance involved while In chemical change, there is a change in the mass of the substance involved.
4. Physical change does not involve great heat. while chemical change involves considerable amount of heat.
The Similarities are :
1. They can be both reversible.
2. Heat is involved
3. They both involve reasonable amount of substance or matter.
Physical properties exhibit physical changes such as:
boiling and melting point of a substance, density, hardness, malleability, crystalline form and some properties that can be detected by our sense organ, such as taste, color and odor.
While chemical properties occur when matter or substance undergoes a change to form another new substance. For example : rusting of iron and burning of wood.
The differences are:
1. Physical change is easily reversible while chemical change is not easily reversible
2. Physical change forms no new substance. while chemical change forms new substance
3. In Physical change there is no change in the mass of a substance involved while In chemical change, there is a change in the mass of the substance involved.
4. Physical change does not involve great heat. while chemical change involves considerable amount of heat.
The Similarities are :
1. They can be both reversible.
2. Heat is involved
3. They both involve reasonable amount of substance or matter.
Learn more here: https://brainly.com/question/15212939