A car crosses a pole with velocity `20 m s^-1` and another pole with velocity `30 m s^-1` , find its veocity in the middle of the two poles.

A ball is droped from a 256 m high eower and at the same time another ball is projected vertical upward with velocity 32 m s^-1 in line with the first ball. Find when and where the two balls will meet each other. (g= 10 m s^-2)

A particle is thrown up vertically with a velocity of 50 m/s. What will be its velocity at the highest point of its journey?

A force of 20 N acting on a body of mass 10 kg is found to double its velocity 8S. Find its initial velocity

A player throws a ball upwards with an initial speed of 29.4 m s^-1 :- What are the velocity and acceleration of the ball at the highest point of its motion ?

What are the two angles of projection of a projectile with velocity 30 m s^-1 , so that the horizontal range is 45 m.Take g=10 m s^-2 .

A car moving with a velocity of 20 ms^(-1) is stopped in a distance of 40 m. If the same car is travelling at double the velocity, the distance travelled by it for same retardation is?

A ball is projected horizontally with a velocity of 4 ms^-1 .What will be its velocity after 0.7 sec (g=10 m s^-2) ?

A vehicle with a horn of frequency f is moving with a velocity of 30 m s^(-1) in a directin perpendicular to the straight line joiing the oserver and the vehicle .The observeer perceives the sound to have a frequency (f+f_1) .If the velocity of sound in air is 300 m s^(-1) :

A train 100 m long is moving with a velocity of 60 kmh^-1 . Find the time it takes to cross the bridge 1 km long.