A train of length 50m is moving with a constant speed of 10m/s. Calculate the time taken by the train to cross an electric pole and a bridge of length 250 m. (5s , 30s) `(AS_(1))`

A 100 m long train is moving with a velocity of 10 m/s, then find out the time taken by train to cross a bridge of length 150 m.

A 200 m long train is moving with a velocity of 20 m/s, then find out the time taken by train to cross a bridge of length 150 m.

For a ball of mass 0.12 kg and moving with speed of 20 m/s .Calculate de-Broglie wave length.

A vehicle moving with a speed of 18 kmh^(-1) covers……….m in 1 s.

A player catches a ball of 200 gm moving with a speed of 20 m/s. if the time taken to complete the cathc is 0.5s, the force exerted on the player, hand is :-

Two trains each of length 50m. are running with constant speeds on parallel tracks. While moving in same direction one over takes the other in 40 seconds and while moving in opposite direction on ecrosses the other in 20 seonds. The speeds of trains will be:-

A helicopter is moving in upward direction with speed of 10 m/s. If the length of the helicopter is 10 m and the horizontal component of magnetic field of earth is 1.5 xx 10^(-3) "Wb"/ m^2 then the induced emf produced across the foremost (nose) and end part (tail) of the helicopter will be ____

A car moves with constant speed of 10 m/s in a circular path of radius 10m. The mass of the car is 1000 kg. How much is the required centripetal force for the car?

The bob of a simple pendulum of length 1 m has mass 100g and a speed of 1.4 m/ s at the lowest point in its path. Find the tension in the string at this moment. Take g=9.8 m//sec^(2) (AS_(1))

A train of 100 m length moves with 40 m/s and overtakes another train of 200 m length moves with 30 ms^(-1). Time taken by 1^(st) train to overtake another train is ......