Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 1

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A particle is moving along a circle such that it completes one revolution in $40$ seconds. In $2$ minutes $20$ seconds, the ratio $\frac{|displacement|}{distance}$ is

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Important Questions on Motion in a Straight Line

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 2

Consider the motion of the tip of the second hand of a clock. In one minute

(R

be the length of second hand), its

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 3

The position of a body moving along

x

-axis at time

t

is given by

x = (t^{2} - 4 t + 6) m .

The distance travelled by body in time interval

t = 0

to

t = 3 s

is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 4

A particle moves along

x -

axis with speed

6 m s^{- 1}

for the first half distance of a journey and the second half distance with a speed

3 m s^{- 1} .

The average speed in the total journey is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 5

A car moves with speed

60 km h^{- 1}

for

1

hour in east direction and with same speed for

30

min in south direction. The displacement of car from initial position is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 6

A person travels along a straight road for the first

\frac{t}{3}

time with a speed

v_{1}

and for next

\frac{2 t}{3}

time with a speed

v_{2} .

Then the mean speed

v

is given by

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 7

Figure shows the graph of $x -$ coordinate of a particle moving along $x -$ axis as a function of time. Average velocity during $t = 0$ to $6 s$ and instantaneous velocity at $t = 3 s$ respectively, will be

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 8

Position-time graph for a particle is shown in figure. Starting from $t = 0,$ at what time $t,$ the average velocity is zero?

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 9

A body in one dimensional motion has zero speed at an instant. At that instant, it must have