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A ball is horizontally projected with a speed $v$ from the top of a plane inclined at an angle $45 °$ with the horizontal. How far from the point of projection will the ball strike the plane?

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Important Questions on Kinematics

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 28

A particle is projected at angle

37 °

with the incline plane in upward direction with speed

10 m s^{- 1}

. The angle of the inclined plane is given

53 °

. Then the maximum distance from the inclined plane attained by the particle will be-

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 29

On an inclined plane of inclination

30 °,

a ball is thrown at an angle of

60 °

with the horizontal from the foot of the incline with a velocity of

10 \sqrt{3} m s^{- 1}

. If

g = 10 m s^{- 2}

, then the time in which the ball will hit the inclined plane is

30 °

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 30

Three stones $A, B, C$ are projected from the surface of a very long inclined plane with equal speeds and different angles of projection as shown in the figure. The incline makes an angle $θ$ with horizontal. If $H_{A}, H_{B}$ and $H_{C}$ are maximum height attained by $A, B$ and $C$ respectively above inclined plane then: (Neglect air friction)

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 33

A particle moves in the

x y

plane with only an

x

-component of acceleration of

2 m s^{- 2}

. The particle starts from the origin at

t = 0

with an initial velocity having an

x

-component of

8 m s^{- 1}

and

y

-component of

- 15 m s^{- 1}

. Velocity of the particle after time

t

is :

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 34

A plane flying horizontally at a height of

1500 m

with a velocity of

200 m s^{- 1}

passes directly overhead an antiaircraft gun. Then the angle with the horizontal at which the gun should be fired for the shell with a muzzle velocity of

400 m s^{- 1}

to hit the plane is -

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 35

R

and

h

represent the horizontal range and maximum height respectively of an oblique projection whose start point (i.e. point of projection) and endpoint are in same horizontal level. Then

\frac{R^{2}}{8 h} + 2 h

represents

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 36

A projectile is thrown with velocity

v

making an angle

θ

with the horizontal. It just crosses the top of two poles, each of height

h,

after

1

second and

3

second respectively. The time of flight of the projectile is

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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 37

A stone projected at an angle of $60 °$ from the ground level strikes at an angle of $30^{0}$ on the roof of a building of height $h$ . Then the speed of projection of the stone is:

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A ball is horizontally projected with a speed v from the top of a plane inclined at an angle 45° with the horizontal. How far from the point of projection will the ball strike the plane?

Important Questions on Kinematics

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A ball is horizontally projected with a speed $v$ from the top of a plane inclined at an angle $45 °$ with the horizontal. How far from the point of projection will the ball strike the plane?