Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 96

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A particle reaches its highest point when it has covered exactly one half of its horizontal range. The corresponding point on the displacement time graph is characterised by-

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 97

The equation of a projectile is,

y = 16 x - \frac{x^{2}}{4}

. The horizontal range is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 98

A body moves along a curved path of a quarter circle. The ratio of distance to displacement is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 99

A Body moves

6 m

north.

8 m

east and

10 m

vertically upwards, what is its resultant displacement from initial position?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 100

A person moves

30 m

north and then

20 m

towards east and finally

30 \sqrt{2} m

in south-west direction. The displacement of the person from the origin will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 101

A hall has the dimensions $10 m \times 10 m \times 10 m .$ A fly starting at one cornér ends up at a diagonally opposite corner. The magnitude of its displacement is nearly

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 102

A particle starting from the origin

(0, 0)

moves in the

(x, y)

plane. Its coordinates at a later time are

(\sqrt{3}, 3)

. The path of the particle makes with the

x

-axis an angle of

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 103

A motor car covers

\frac{1}{3}

rd part of total distance with

v_{1} = 10 km / hr,

second

\frac{1}{3}

rd part with

v_{2} = 20

km / hr

and rest

\frac{1}{3}

rd part with

v_{3} = 60 km / hr

. What is the average speed of the car?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 104

A car travels a distance of

2000 m .

If the first half distance is covered at

40 km {hour}^{- 1}

and the second half at velocity

v

and if the average velocity is

48 km {hour}^{- 1}

, then the value of

v

is