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Physics - Kinematics Question with Solution | TestHub

PhysicsKinematics1-DMedium2 minPYQ_2020
PhysicsMediumsingle choice

A small ball of massmis thrown upward with velocityufrom the ground. The ball experiences a resistive forcemkv2wherevis it speed. The maximum height attained by the ball is :

Options:

Answer:
D
Solution:

Fne =ma

-mg-mkv2=mvdvds

vdvds=-g-kv2

-v00vdvg+kv2=0hds=hmax

hmax=12King+kv02g

 

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D
2mℹ️ Source: PYQ_2020

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