Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 43

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A projectile is thrown with an initial velocity of $\vec{v} = a \hat{i} + b \hat{j}$ . If the range of a projectile is double of maximum height reached by it, then

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 44

If a projectile is fired at an angle

θ

with the vertical with velocity

u,

then maximum height attained is given by :-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 45

If

R

is the maximum horizontal range of a particle, then the greatest height attained by it is :-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 46

Two stones are projected at the same speed but making different angles with the horizontal. Their ranges are equal. If the angle of projection of one is

\frac{π}{3} rad

and its maximum height is

y_{1}

, then the maximum height of the other will be

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

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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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})