Laws of Motion-Law of Conservation of Linear Momentum (NEET Physics): Questions 1 - 2 of 2

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Question number: 1

» Laws of Motion » Law of Conservation of Linear Momentum

Appeared in Year: 2016

MCQ▾

Question

Two identical balls A and B having velocities of 0.5ms and 0.3ms respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be –

Choices

Choice (4) Response

a.

0.3ms and 0.5ms

b.

0.3ms and 0.5ms

c.

0.5ms and 0.3ms

d.

0.5ms and 0.3ms

Question number: 2

» Laws of Motion » Law of Conservation of Linear Momentum

Appeared in Year: 2016

MCQ▾

Question

A bullet of mass 10g moving horizontally with a velocity of 400ms1 strikes of wooden block of mass 2kg which is suspended by a light inextensible string of length 5m . As a result the centre of gravity of the block is found to rise a vertical distance of 10cm . The speed of the bullet after it emerges out horizontally from the block will be –

Choices

Choice (4) Response

a.

100ms1

b.

120ms1

c.

80ms1

d.

160ms1

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