Physics - Kinematics Question with Solution | TestHub
PhysicsKinematics1-DMedium2 minQB
PhysicsMediumsingle choice
A person standing on the edge of a cliff throws one ball straight up with initial speed and then another ball straight down with the same initial speed . Neglecting air resistance, which ball has the larger speed when it hits the ground below?
Options:
Answer:
C
Solution:
Energy conservation (or the symmetry of vertical motion): the ball thrown up returns to the cliff edge moving down at speed , identical to the second ball at that instant, so both reach the ground with speed . Option C.
Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D
⏱ 2mℹ️ Source: QB
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