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Physics - Kinematics Question with Solution | TestHub

PhysicsKinematics1-DMedium2 minQB

PhysicsMediumsingle choice

A person standing on the roof of a house of height $h$ throws one particle vertically downwards and another particle in the horizontal direction with the same speed $u$ . The ratio of the speeds of the particles on reaching the earth is:

Options:

Answer:

Solution:

By energy conservation each particle lands with speed $u^{2} + 2 g h$ (the horizontal throw keeps its constant horizontal component $u$ and gains $2 g h$ vertically). Ratio $1 : 1$ . Option D.

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D

⏱ 2mℹ️ Source: QB

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