A particle A is projected vertically upwards. Another particle B is projected at an angle of 45^∘. Both reach the same height. The ratio of the initial kinetic energy of A to that of B is:
Sahay Sir > Question Answers > A particle A is projected vertically upwards. Another particle B is projected at an angle of 45^∘. Both reach the same height. The ratio of the initial kinetic energy of A to that of B is:
Air is blowing and is providing a constant horizontal acceleration ax = g to the particle as shown in the figure. Particle is projected from point P with a velocity u in upward direction. Let Q be the highest point of the particle. Speed of the particle at highest point Q is
19
Oct
Air is blowing and is providing a constant horizontal acceleration ax = g to the particle as shown in the figure. Particle is projected from point P with a velocity u in upward direction. Let Q be the highest point of the particle. Speed of the particle at highest point Q is A particle A [...]
A projectile is thrown with velocity u making an angle θ with the horizontal. Its time of flight on the horizontal ground is 4 second. The projectile is moving at angle of 45^∘ with the horizontal just one second after the projection. Hence the angle θ is (take g=10m/s^2)
19
Oct
A projectile is thrown with velocity u making an angle θ with the horizontal. Its time of flight on the horizontal ground is 4 second. The projectile is moving at angle of 45^∘ with the horizontal just one second after the projection. Hence the angle θ is (take g=10m/s^2) A particle A is projected vertically [...]
A body is projected at an angle of 45^∘ with horizontal from a point on ground at distance 6m from the foot of a vertical pole. It just crosses the top of the pole and falls on ground on the other side at a distance of 3 m from the foot of the pole. The height of the pole is:
19
Oct
A body is projected at an angle of 45^∘ with horizontal from a point on ground at distance 6m from the foot of a vertical pole. It just crosses the top of the pole and falls on ground on the other side at a distance of 3 m from the foot of the pole. The [...]
The direction of projection of particle is shown in the figure for an observer on trolley. An observer on the ground sees the ball rising vertically. The maximum height reached by the ball as seen from the trolley is
19
Oct
The direction of projection of particle is shown in the figure for an observer on trolley. An observer on the ground sees the ball rising vertically. The maximum height reached by the ball as seen from the trolley is A particle A is projected vertically upwards. Another particle B is projected at an angle of [...]
A particle A is projected vertically upwards. Another particle B is projected at an angle of 45^∘. Both reach the same height. The ratio of the initial kinetic energy of A to that of B is:
18
Oct
A particle A is projected vertically upwards. Another particle B is projected at an angle of 45^∘. Both reach the same height. The ratio of the initial kinetic energy of A to that of B is: A particle A is projected vertically upwards. Another particle B is projected at an angle of 45^∘. Both reach [...]