A cricketer can throw a ball to a maximum horizontal distance of \(100~\text{m}\). How much high above the ground, can the cricketer throw the same ball?
1. \(50~\text{m}\)
2. \(60~\text{m}\)
3. \(75~\text{m}\)
4. \(100~\text{m}\)

Subtopic:  Projectile Motion |
 76%
From NCERT
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The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 m/s can go without hitting the ceiling of the hall?

1. 150.5 m
2. 165.6 m
3. 145.3 m
4. 158.2 m

Subtopic:  Projectile Motion |
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A bullet fired at an angle of 30° with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to be fixed, and neglect air resistance.

1. Yes
2. No
3. Depends on the mass of the bullet
4. None of the above

Subtopic:  Projectile Motion |
 55%
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A fighter plane flying horizontally at an altitude of 1.5 km with a speed of 720 km/h passes directly overhead an anti-aircraft gun. At what angle from the vertical should the gun be fired for the shell with muzzle speed 600 m s-1 to hit the plane?

1.   At   an   angle   of   sin - 1(1/3) with   the   vertical .
2.
 At an angle of cos-113 with the vertical.
3.
 At an angle of tan-113 with the vertical.
4.
 At an angle of cot-113 with the vertical.

Subtopic:  Projectile Motion |
 51%
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For a projectile, the angle between the velocity and the x-axis as a function of time is given by:

1 θt=cos-1uy-gtux

2 θt=sin-1uy-gtux

3 θt=cot-1uy-gtux

4 θt=tan-1uy-gtux

Subtopic:  Projectile Motion |
 61%
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A truck starts from rest and accelerates uniformly at 2.0 m s -2. At t = 10 s, a stone is dropped by a person standing on the top of the truck (6 m high from the ground). What is the acceleration of the stone at t = 11 s? (Neglect air resistance.)

1. 10 ms-2 (upward)

2. 15 ms-2 (downward)

3. 10 ms-2 (downward)

4. 15 ms-2 (upward)

Subtopic:  Projectile Motion |
 73%
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