JEE Main 2022 · 25 Jul · Shift 2 · Physics Q34

← JEE Main 2022 · 25 Jul · Shift 2

PhysicsSingle correct+4 / -1Question 34 of 90

Two billiard balls of mass 0.05 kg each moving in opposite directions with 10 ms $^{-1}$ collide and rebound with the same speed. If the time duration of contact is $t=0.005$ s, then what is the force exerted on the ball due to each other ?

100 N

200 N

300 N

400 N

Answer and worked solution

Official answer: B

Impulse on one ball $0.05\times20=1$ N s in 0.005 s: 200 N.

(B)

Topics:Impulse and momentum

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JEE Main 2022 · 25 Jul · Shift 2, Physics question 34