Projectile MCQ Level - 1 - Class 11 MCQ

The equation of motion of a projectile is The horizontal component of velocity is 3 ms^-1. What is the range of the projectile?

The range R of projectile is same when its maximumheights are h₁ and h₂. What is the relation betweenR, h₁ ,and h₂?

The friction of air causes a vertical retardation equalto 10 % of the acceleration due to gravity (take g =10 ms^-2). The maximum height will be decreased by

The friction of air causes a vertical retardation equal to 10 % of the acceleration due to gravity (take g = 10 ms^-2). The maximum height will be decreased by

a. 8 %

b. 9 %

c. 10 %

d. 11 %

Q.

In the above part , the time taken toreach the maximum height will be decreased by

The friction of air causes a vertical retardation equal to 10 % of the acceleration due to gravity (take g = 10 ms^-2). The maximum height will be decreased by

a. 8 %

b. 9 %

c. 10 %

d. 11 %

Q.

In the above part , the time takento return to the ground from the maximum height

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 = 5T²? (Take g = 10 ms^-2)

A ball thrown by one player reaches the other in 2 s.The maximum height attained by the ball above the point of projection will be about:

A ball rolls off the top of a staircase with a horizontal velocity μ ms^-1. If the steps are h metre high and b metre wide, the ball will hit the edge of the n th step, if
 

A projectile is projected with initial velocity (6iˆ + 8 ˆj) ms^-1. If g = 10 ms^-2, then horizontal range is

At a height 0.4 m from the ground, the velocity of aprojectile in vector form is   The angle of projection is

A projectile is thrown in the upward direction makingan angle of 60° with the horizontal direction with avelocity of 150 ms^-1. Then the time after which its inclination with the horizontal is 45° is

A number of bullets are fired in all possible directionswith the same initial velocity u. The maximum area of ground covered by bullets is

A person takes an aim at a monkey sitting on a treeand fires a bullet. Seeing the smoke the monkey beginsto fall freely then the bullet will

A person sitting in the rear end of a compartment throwsa ball towards the front end. The ball follows a parabolic path. The train is moving with uniform velocity of 20 ms^-1. A person standing outside on the ground also observes the ball. How will the maximum heights (h_m)
attained and the ranges (R) seen by the thrower and the outside observer compare each other?

Two stones are projected with the same speed butmaking different angles with the horizontal. Their rangesare equal. If the angle of projection of one is p /3 andits maximum height is h₁ then the maximum height ofthe other will be

A ball is projected from the ground at angle θ with thehorizontal. After 1 s it is moving at angle 45° with thehorizontal and after 2 s it is moving horizontally. Whatis the velocity of projection of the ball?

A body is projected horizontally from the top of a towerwith initial velocity 18 ms^-1. It hits the ground at angle 45°. What is the vertical component of velocity when strikes the ground?

A plane flying horizontally at 100 ms^-1 releases an object which reaches the ground in 10 s. At what angle with horizontal it hits the ground?

A hose lying on the ground shoots a stream of waterupward at an angle of 60° to the horizontal with thevelocity of 16 ms^-1. The height at which the water strikes the wall 8 m away is

There are two values of time for which a projectile is atthe same height. The sum of these two times is equalto (T= time of flight of the projectile)

A golfer standing on level ground hits a ball with avelocity of u = 52 ms^-1 at an angle α above thehorizontal. If tan α = 5/12, then the time for which the ball is at least 15 m above the ground will be (take g = 10 ms^-2)

The ceiling of a hall is 40 m high. For maximum horizontal distance, the angle at which the ball may be thrown with a speed of 56 ms^-1 without hitting the ceiling of the hall is (Take g = 9.8 ms^-2)

What is the angle of projection for a bullet fired over a horizontal plane, when horizontal range is equal to 4 times the maximum height?

A body is projected up along a smooth inclined planewith velocity u from the point A as shown in Fig.The angle of inclination is 45° and the top is connected to a well of diameter 40 m. If the body just manages tocross the well, what is the value of u ? Length of inclinedplane is  

A rifle shoots a bullet with a muzzle velocity of 400 ms^-1 at a small target 400 m away. The height above the targetat which the bullet must be aimed to hit the target is(g = 10 ms^-2).

A projectile is fired from level ground at an angle qabove the horizontal. The elevation angle Ø of thehighest point as seen from the launch point is related to θ by the relation

A projectile has initially the same horizontal velocityas it would acquire if it had moved from rest with uniform acceleration of 3 ms^-2 for 0.5 min. If the maximum height reached by it is 80 m, then the angle of projection is(g = 10 ms^-2)