Question

Take a heavy ball. Drop it on a thick bed of sand. A wet bad of sand would be better.

Drop the ball from the different heights of about 25 cm, 50 cm, 1 cm and 1.5 cm .

(I) Compare their depths.

(II) Which one of them is the deepest?

(III) Which one is the shallowest and why?

(IV) What has caused the ball to make a deeper dent?​

Answer 1

Explanation:

1) depth are different

2) 50 cm

3) 1cm, rate of change of momentum is high means force is low

4) force

Answer 2

Answer:

I can't understand the question