Projectile Time, Height and Range
Trending Questions
Q. A stone is thrown at an angle θ to the horizontal reaches a maximum height H. Then the time of flight of stone will be
Q. A particle is projected with a velocity v such that its range on the horizontal plane is twice the greatest height attained by it. The range of the projectile is (where g is acceleration due to gravity)
Q. A ball is projected vertically upwards with a certain initial speed. Another ball of the same mass is projected at an angle of 60∘ with the vertical with the same initial speed. At the highest point, the ratio of their potential energies will be
- 3:2
- 2:3
- 2:1
- 4:1
Q. For a projectile, the ratio of maximum height reached to the square of flight time is (g = 10 ms−2)
- 5 : 2
- 5 : 4
- 5 : 1
- 10 : 1
Q. An object is projected with a velocity of 20 m/s making an angle of 45∘ with horizontal. The equation for the trajectory is h = Ax – Bx2 where h is height, x is horizontal distance, A and B are constants. The ratio A : B is (g = 10 ms−2)
- 1 : 5
- 1 : 40
- 40 : 1
- 5 : 1
Q. A ball is rolled off the edge of a horizontal table at a speed of 4 m/s. It hits the ground after 0.4 second. Which statement given below is true(Take g=10m/s2)
- It hits the ground at an angle of 60o to the horizontal
- The speed with which it hits the ground is 4.0 m/second
- It hits the ground at a horizontal distance 1.6 m from the edge of the table
- Height of the table is 1.8 m
Q. A stone projected with a speed u at an angle θ with the horizontal reaches maximum height H1. When it is projected with speed u at an angle 90−θ with the horizontal, it reaches maximum height H2. The relation between the horizontal range R of the projectile, H1 and H2 is
- R = 4(H1 - H2)
Q. A bomber plane moves horizontally with a speed of 500 m/s and a bomb released from it, strikes the ground in 10 sec. Angle with the horizontal at which it strikes the ground will be (g=10 m/s2)
Q. For a given velocity, a projectile has the same range R for two angles of projection. If t1 and t2 are the times of flight in the two cases then
Q.
A particle is projected from the ground at t = 0 so that on its way it just clears two vertical walls of equal height on the ground. If the particle passes just grazing top of the wall at time t1 and t2 then calculate
the height of the wall
h = g
h + g
h = g
h + g