Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 166

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An arrow is shot into the air. Its range is $200$ metres and its time of flight is $5 s$ . If the value of $g$ is assumed to be $10 m s^{- 2}$ , the maximum height attained by the arrow is :

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Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 167

An arrow is shot into the air. Its range is

200

metres and its time of flight is

5 s

. If the value of

g

is assumed to be

10 m s^{- 2}

, the vertical component of the velocity is :

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 168

An arrow is shot into the air. Its range is

200

metres and its time of flight is

5 s

. If the value of

g

is assumed to be

10 m s^{- 2}

, the angle of projection with the horizontal is :

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 169

A ball is thrown at different angles with the same speed u and from the same point; it has the same range in both the cases. If

y_{1}

and

y_{2}

be the heights attained in the two cases, then

y_{1} + y_{2} = . . . . . . . .

.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 170

Two balls

A

and

B

are thrown with speeds

u

and

\frac{u}{2}

respectively. Both the balls cover the same horizontal distance before returning to the plane of projection. If the angle of projection of ball

B

is

15 °

with the horizontal, then the angle of projection of

A

is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 171

At what angle to the horizontal should a ball be thrown so that its range $R$ is related to the time of flight $T$ as $R = 5 T^{2}$ .

Take $g = 10 m s^{- 2}$ .

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 172

A projectile is projected with initial velocity

(6 \hat{i} + 8 \hat{j}) m s^{- 1}

. If

g = 10 m s^{- 2}

, then the horizontal range is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 173

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

v

, is

R

, then the angle of elevation of the gun is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 174

The maximum range of a projectile fired with some initial velocity is found to be

1000 m

. The maximum height

(H)

reached by this projectile is: