Physics, asked by TheElite07, 11 months ago

plss answer 15th and 21st qued..plss fast..worth 50 pts

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Answered by Mahisharthi
1
answer for 21.
this is my own answer.so I don't know whether it is absolutely correct.
earth attracts the Apple because of gravitational force.and the Apple does not attracts earth
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TheElite07: its asking why also
Mahisharthi: the earth is giving a force to Apple to fall down.the earth is not moving towards the Apple.
TheElite07: okk
TheElite07: thnx
Answered by shariquekhan2500
1

21. Yes the apple do attracts the earth but the force is so negligible that it is not even accounted  15. The ratio of time taken by them would be  t1/t2 = √h1/√h2 If one of the object is hollow and other one is solid the solid will fall later as compared to the hollow one as there is a mass accompanied in it which will resist the motion due to air resistance  


TheElite07: ??
TheElite07: this eq. is of which class?
TheElite07: okk..
TheElite07: write it down whole..plss..sorry..tomorrow is my xams..pls pls
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