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1.   An object is made to fall at different heights 20cm, 40cm and 60cm on a wet sand.

a.   What do you observe on the sand?

Explain the reasons of the observation
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1.   An object is made to fall at different heights 20cm, 40cm and 60cm on a wet sand.

a.   What do you observe on the sand?

Explain the reasons of the observation

Asked by M.s.srinidhi21 4th March 2015, 6:05 PM
Answered by Expert
Answer:

Hi,

The object creates depressions in the wet sand. The largest depression is created by the object when dropped from a height of 60 cm and the smallest depression when dropped from the height 20 cm.
This is because when the object is dropped from a greater height, its velocity increases and thus has more kinetic energy. Thus, the depression created in the wet sand depends on the height and the velocity of the object. 

Answered by Expert 4th March 2015, 6:14 PM
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