Motion in Straight Line

A particle covers half of its total distance with speed v1 and the rest half distance

A particle covers half of its total distance with speed v1 and the rest half distance with speed v2. Its…

A man goes 10 m towards north, then 20m towards east, the displacement is

A man goes 10 m towards north, then 20m towards east, the displacement is Options (a) 22.5 m (b) 25…

The ratio of the numerical value of the average velocity and average speed

The ratio of the numerical value of the average velocity and average speed of a body is always Options (a)…

The rest mass of a body is m1. It moves with a velocity of 0.6c, then its relativistic

The rest mass of a body is m1. It moves with a velocity of 0.6c, then its relativistic mass if…

Two balls are dropped from heights h and 2h respectively. The ratio of times

Two balls are dropped from heights h and 2h respectively. The ratio of times of these balls to reach the…

A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s

A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s. The average…

An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object

An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object. Then…

If a body travels half the distance with velocity v1 and the next half with velocity v2

If a body travels half the distance with velocity v1 and the next half with velocity v2, its average velocity…

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground. Then height…

A particle under the action of a constant force moves from rest upto 20 seconds

A particle under the action of a constant force moves from rest upto 20 seconds. If distance covered in first…