Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 16

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Two identical balls each of mass $4 kg$ are moving towards each other with speeds $2 m s^{- 1}$ and $3 m s^{- 1}$ respectively. They undergo head on perfectly elastic collision. Then impulse imparted by one ball on other is

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Important Questions on Work, Energy and Power

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 17

A ball of mass

4 kg

moving on a smooth horizontal surface makes an elastic collision with another ball of mass

m

at rest in the line of motion of first ball. If after collision first ball moves in the same direction with one fourth of its velocity before collision, then mass of second ball is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 18

A heavy vehicle moving with velocity

15 m s^{- 1}

strikes an object of very small mass at rest head on elastically. Velocity of object after collision is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 19

Two balls of equal masses

m

each undergo oblique collision. If collision is perfectly elastic, then angle between their velocities after collision is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 20

A block of $10 g$ slides on smooth horizontal surface with $20 m s^{- 1}$ towards a spring of spring constant $100 N m^{- 1}$ placed horizontally (as shown in figure). The maximum compression in spring is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 21

Two steel balls

A

and

B

of mass

10 kg

and

10 g

rolls towards each other with

5 m s^{- 1}

and

1 m s^{- 1}

respectively on a smooth floor. After collision; with what speed

B

moves [perfectly elastic collision]?

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>EXERCISE>Q 22

Two ivory balls are placed together at rest. A third identical ball moving with velocity $u$ In line of first two balls; as shown in figure collide head on elastically then

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