Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 76

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The velocity acquired by a body moving with uniform acceleration is $30 m s^{- 1}$ in $2$ seconds and $60 m s^{- 1}$ in $4$ seconds. The initial velocity is

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Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 77

If a body starts from rest, the time in which it covers a particular displacement with uniform acceleration is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 78

A body at rest is imparted motion to move in a straight line. It is then obstructed by an opposite force, then

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 79

If a car at rest accelerates uniformly to a speed of

144 km h^{- 1}

in

20

seconds, it covers a distance of

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 80

A body starts from rest and with a uniform acceleration of

10 {ms}^{- 2}

for

5

seconds. During the next

10

seconds it moves with uniform velocity. The total distance travelled by the body is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 81

Initially a body is at rest. If its acceleration is

5 {ms}^{- 2}

then the distance travelled in the

18^{th}

second is :-

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 82

If a body starts from rest and travels

120 m

in the

8^{th}

second, then acceleration is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 83

If a train travelling at

72 km h^{- 1}

is to be brought to rest in a distance of

200 m

, then its retardation should be

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 84

A car moving with a speed of

40 km h^{- 1}

can be stopped by applying brakes after at least

2 m .

If the same car is moving with a speed of

80 km h^{- 1} .

what is the minimum stopping distance ?