Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 123

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A truck travelling due North at $20 {ms}^{- 1}$ turns East and travels with the same speed. The change in its velocity is

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 124

If velocity varies with time as

v = 4 t m s^{- 1},

find the distance travelled by the body in the interval of

2 s

to

4 s .

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 125

A particle moves along a straight line

OX

. At a time

t

(in seconds) the distance

x

(in metres) of the particle from

O

is given by

x = 40 + 12 t - t^{3}

. How long would the particle travel before coming to rest?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 126

The position

x

of a particle with respect to time

t

along

x

-axis is given by

x = 9 t^{2} - t^{3}

where

x

is in metres and

t

in second. What will be the position of this particle when it achieves maximum speed along the

+ ve

x

direction?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 127

The displacement of a body is given to be proportional to the cube of time passed. The magnitude of the acceleration of the body, is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 128

The velocity-time curve for a body projected vertically upward is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 129

The relation between time

t

and distance

x

is

t = a x^{2} + b x

, where

a

and

b

are constants. The acceleration is:

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 130

A particle is moving eastwards with a velocity of

5 m s^{- 1}

. In

10

second the velocity changes to

5 m s^{- 1}

northwards. The average acceleration in this time is___

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 131

Which one of the following equations represent the motion of a body with finite constant non-zero acceleration. In these equations y denotes the displacement of the body at time

t

and

a, b

and

c

are the constant of the motion