Question

31. (1) A woman draws water from a well of 15 m depth in 15 s. If the mass of her bucket drawn is 10
kg, calculate power used by her.
(ii) When an arrow is shot from a bow, from where will the arrow acquire its kinetic energy​

Answer 1

Answer:

I hope it will be help full for you thanks

Answer 2

Answer:

A stretched bow has potential energy due to the change in its shape. To shot the arrow, the bow has to be released. Therefore, its potential energy is converted into the kinetic energy of the arrow.

Answer 1 is in the attachment.

Hope it helps you mate..