3.
3) 9%, 10%
4) 11%, 9%
A ball of weight W is thrown upwards with a
velocity u. If air exerts an average resisting
force F,the speed with which the ball return
back to the thrower is :
W
1) UW +F
W
2) u
VW-F
W +F
W - F
4) u
3) UW-F
W +F
24. A ball A is dropped from the top of a building
and at the same time an identical ball B is
llunward from the ground.
:
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Question is not clear
What are you asking bro
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