Question

Two friends Daisy and Samuel playing with aluminum

channel of different length and two balls of same mass

and size. while playing due to curiosity one thing strike

in their mind. Both hold the aluminum channel at the

same height and place their lower ends on the floor.

After this they rolled the given balls at the same time.

Now the curiosity of these two friends was, whose ball

reaches the floor first.1.1 At the time of release, ball possess –

a)potential energy

b)kinetic energy

c)Both potential and kinetic energy

d) zero energy

1.2 Transformation of energy takes place: -

a) kinetic energy into potential energy

b) potential energy into kinetic energy

c) No change in total energy of rolling balls

d) Total energy increases​

Answer 1

Answer:

At the time of release, ball possess –

a)potential energy

Transformation of energy takes place: -

Explanation:

b) potential energy into kinetic energy

Answer 2

Answer:

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