Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 188

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A body starting from rest moves along a straight line with a constant acceleration. The variation of speed $(v)$ with distance $(s)$ is represented by the graph:

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 189

A ball is thrown vertically upwards. Which of the following plots represents the speed–time graph of the ball during its flight if the air resistance is not ignored?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 190

Which of the following velocity-time graphs shows a realistic situation for a body in motion

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 191

When a ball is thrown up vertically with velocity

v_{0},

it reaches a maximum height of

h .

If one wishes to triple the maximum height, then the ball should be thrown with velocity.

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 192

A particle is thrown above, then correct

v - t

graph will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 193

A particle is thrown vertically upwards. The graph between its speed

v

and time

t

is given by (neglecting the air resistance) the following figure:

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 194

In $1.0 \sec$ a particle goes from point $A$ to point $B$ moving in a semicircle of radius $1.0 m .$ The magnitude of average velocity is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 195

A motorcycle is moving with a velocity

80 km {hr}^{- 1}

ahead of a car moving with a velocity of

65 km {hr}^{- 1}

in the same direction. What is the relative velocity of the motorcycle with respect to the car-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 199

A train is moving in the north at a speed

10 m \sec^{- 1} .

Its length is

150 m .

A parrot is flying parallel to the train in the south with a speed of

5 m s^{- 1} .

The time taken by the parrot to cross the train will be-