Chapter 4 – Motion in Plane
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 4 - Motion in Plane
Two cars A and B cross a point P with velocities 10 m/s and 15 m/s. After that they move with different uniform accelerations and the car A overtake B with a speed of 25ms−1. What is velocity of B at that instant?
26
Nov
Two cars A and B cross a point P with velocities 10 m/s and 15 m/s. After that they move with different uniform accelerations and the car A overtake B with a speed of 25ms−1. What is velocity of B at that instant? In the diagram 100 kg block is hanging from a pulley and [...]
A bus is moving with a velocity of 10 m s−1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus?
26
Nov
A bus is moving with a velocity of 10 m s−1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus? In the diagram 100 kg block is hanging [...]
Two cars are moving in the same direction with the same speed 30km/hr . They are separated from each other by 5km.Third car moving in the opposite direction meets the two cars after an interval of 4 minutes, what is the speed of the third car?
26
Nov
Two cars are moving in the same direction with the same speed 30km/hr . They are separated from each other by 5km.Third car moving in the opposite direction meets the two cars after an interval of 4 minutes, what is the speed of the third car? In the diagram 100 kg block is hanging from [...]
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 [...]
Ratio of minimum kinetic energies of two projectiles of same mass is 4:1. The ratio of the maximum height attained by them is also 4:1 . The ratio of their ranges would be
19
Oct
Ratio of minimum kinetic energies of two projectiles of same mass is 4:1. The ratio of the maximum height attained by them is also 4:1 . The ratio of their ranges would be Ratio of minimum kinetic energies of two projectiles of same mass is 4:1. The ratio of the maximum height attained by them [...]
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 [...]
A particle of mass m is projected from the ground with initial linear momentum p (magnitude) such that to have maximum possible range, its minimum kinetic energy will be
18
Oct
A particle of mass m is projected from the ground with initial linear momentum p (magnitude) such that to have maximum possible range, its minimum kinetic energy will be A particle of mass m is projected from the ground with initial linear momentum p (magnitude) such that to have maximum possible range its minimum kinetic [...]