Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 56

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What do you mean by collision? Discuss two types of collision with their essential characteristics.

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 57

Consider the collision shown in Fig. between two billiard balls with equal masses. The player wants to 'sink' the target ball in a corner pocket, which is at an angle $θ_{2} = 30 °$ . Assume an elastic collision. Neglect friction and rotational motion. Find $θ_{1}$

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 58

Discuss elastic collision in two dimensions briefly.

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 59

Consider a perfectly inelastic collision in one dimension. Show that some

KE

is always lost in it.

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 1

The work done by the force for $x = 1 m$ to $x = 4 m$ for the following force-position graph is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 2

A bullet of mass

50 g

moving with

100 m s^{- 1}

enters into a horizontal block of thickness

10 m

. It emerges out with kinetic energy equal to

20 %

of initial kinetic energy. The speed of bullet on leaving the block is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 3

A force

\vec{F} = (2 \hat{i} + 3 \hat{j}) N

acts on a particle and displaces it from initial position

\vec{x_{1}} = (3 \hat{i} - 4 \hat{j}) m

to final position

\vec{x_{2}} = (2 \hat{i} + 3 \hat{j}) m

, then work done by force, is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 4

A ball of

4 kg

mass moving with velocity

40 m s^{- 1}

in east direction collides with another ball of

6 kg

mass moving with velocity

20 m s^{- 1}

in same direction. After collision two balls stick together, then loss of kinetic energy is

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Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 5

What should be the minimum height $h$ so that the body of mass $m$ just completes the loop of radius $1 m$ ?

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