JEE Advanced 2020 Concept Recapitulation Test 2 Paper 2

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Question : 3 of 54

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A ring of mass m and radius R is placed on a frictionless horizontal surface. A particle of mass m is projected from point A with velocity v at an angle of 45∘ with AO as shown. The correct statements are

The particle reaches the same point A on the ring after time ‌
4R√2
v
.
Magnitude of impulse transformed during first collision is ‌
mv
√2
.
Magnitude of impulse transformed during second collision is ‌
mv
√2
.
Particle reaches diametrically opposite point on the ring in time ‌
2R
v
.

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