Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 47

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A projectile is thrown from a point in a horizontal plane such that its horizontal and vertical velocity component are $9.8 {ms}^{- 1}$ and $19.6 {ms}^{- 1}$ , respectively. Its horizontal range 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 48

A particle is fired with velocity

u

making: angle

θ

with the horizontal. What is the change in velocity when it is at the highest point?

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 49

In the above question, the change in speed is : -

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 50

A ball is thrown at different angles with the same speed '

u

' from the same point and it has the same range in both cases. If

y_{1}

and

y_{2}

be the heights attained in two cases, then

y_{1} + y_{2} =

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 51

At what angle with the horizontal should a ball be thrown so that the range

R

is related to the time of flight as

R = 5 T^{2}

?

(Take g = 10 m s^{- 2})

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 52

If the range of a gun which fires a shell with muzzle speed

v,

is

R_{1}

then the angle of elevation of the gun is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 53

The maximum range of a projectile fired with some initial velocity is found to be $1000$ metre. The maximum height $(H)$ reached by this projectile is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 54

The angle which the velocity vector of a projectile, thrown with a velocity

v

at an angle

θ

to the horizontal, will make with the horizontal, after time

t

of it being thrown up, is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 55

The vertical height of the projectile at time

t

is given by

y = 4 t - t^{2}

and the horizontal distance covered is given by

x = 3 t .

What is the angle of projection with the horizontal?