Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 133

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Two bodies of different masses $m_{a}$ and $m_{b}$ are dropped from two different heights $a$ and $b$ . The ratio of times taken by the two bodies to drop through these distance 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 134

A body thrown up with a finite speed is caught back after

4 s

. The speed of the body with which it is
thrown up is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 135

A body is thrown upward and reaches its maximum height. At that position

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 136

The initial velocity of a particle (at

t = 0

) is

u

and the acceleration

f

of particle at time

t

is given by

f =

at. Where a is a constant which of the following relation for velocity

v

of particle after time

t

is true?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 137

A body starting from rest and has uniform acceleration

8 m / \sec^{2} .

The distance travelled by it in

5 t h

second will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 138

A body starts from rest, the ratio of distances travelled by the body during

3 r d

and seconds is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 139

The initial velocity of a particle is

10 m s^{- 1}

and its retardation is

2 m s^{- 2} .

The distance covered in the fifth second of the motion will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 140

An object is released from some height. Exactly after one second, another object is released from the same height. The distance between the two objects exactly after

2

seconds of the release of second object will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 141

A man standing on the edge of a cliff throws a stone straight up with initial speed

u

and then throws another stone straight down with same initial speed

u

from the same position. Find the ratio of speeds, the stones would have attained when they hit the ground at the base of the cliff?