Question

2. A man and his son run to the top of a hill and stop. The mass of the man is bigger than the mass of the boy. a. While they are both running at the same speed, who has more kinetic energy b. When they are at the top of the hill, who has more GPS 3. A girl drops a stone down a well and listen for the splash. Draw an energy transfer diagram for this process starting with the girl holding the stone over the well.

Answer 1

1. The kinetic energy of the man is more than the kinetic energy of the boy.

Explanation:

• the kinetic energy of a body is directly proportional to the mass of the body. As a result of this as the man has more mask and the boy hence the man has more kinetic energy. While this topped the gravitational potential energy of the man is more. Again this is because the gravitational potential energy is directly proportional to the mass of the body

• when a stone is thrown the muscular energy is converted into kinetic energy , the kinetic energy is slowly e increased due to the decrease in the potential energy when it is thrown inside the well.

To know more about potential energy,

Define kinetic and potential energy of a body. Give their S.I. units.A ...

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