JEE Main 12 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 20 of 90

Marks: +1, -0

A simple pendulum, made of a string of length l and a bob of mass m, is released from a small angle θ0. It strikes a block of mass M, kept on a horizontal surface at its lowest point of oscillations, elastically. It bounces back and goes up to an angleθ1. Then M is given by :

[12 Jan 2019 Shift 1]

m
2
(
θ0−θ1
θ0+θ1
)
m
2
(
θ0+θ1
θ0−θ1
)
m(
θ0+θ1
θ0−θ1
)
m(
θ0−θ1
θ0+θ1
)

Validate

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