Question

4. Study the following activity and
answer the questions.
1. Take two aluminium channels of
different lengths.
2. Place the lower ends of the channels
on the floor and hold their upper
ends at the same height.
3. Now take two balls of the same size
and weight and release them from
the top end of the channels. They
will roll down and cover the same
distance.​
1. what is the form of eventual total energy of the balls ​

Answer 1

Answer:

Now as the balls roll down they will gain velocity and height of the balls above the floor will decrease, i.e. potential energy of the ball will be decrease and kinetic energy will increase as they roll down with velocity v as shown in figure

Now kinetic energy of the balls of mass m moving with velocity v will be

K.E. = � mv2

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OJAL RAO ❤️