Motion in a Str...

A body is moving with uniform acceleration describes 40 m in the first 5 sec and 65 m in next 5 sec. Its initial velocity will be

A body of 5 kg is moving with a velocity of 20 m/s. If a force of 100 N is applied on it for 10 s in the same direction as its velocity, what will now be the velocity of the body?

Starting from rest, acceleration of a particle is a = 2(t – 1). The velocity of the particle at t = 5s is

A student is standing at a distance of 50 m from the bus. As soon as the bus begins its motion with an acceleration of 1 ms^–2, the student starts running towards the bus with a uniform velocity u. Assuming the motion to be along a straight road, the minimum value of u, so that the student is able to catch the bus is

A body A moves with a uniform acceleration a and zero initial velocity. Another body B, starts from the same point moves in the same direction with a constant velocity v, The two bodies meet after t. The value of t is

A particle moves along X-axis in such a way that its co-ordinate X varies with time t according to the equation x = (2 – 5t + 6t²) m. The initial velocity of the particle is

A car starts from rest and moves with uniform acceleration a on a straight road from t = 0 to t = T. After that, a constant deceleration brings it to rest. In this process the average speed of the car is

An object accelerates rest to a velocity 27.5 m/s in 10 sec, then find distance covered by object in next 10 sec

The displacement of a particle is proportional to the cube of time elapsed. How does the acceleration of the particle depends on time obtained?