Motion in a Straight Line: JEE Questions & Solutions

A paratrooper jumps from an aeroplane and opens a parachute after 2 s of free fall and starts decelerating with 3 m/s². At 10 m height from…

Water drops fall from a tap on the floor, 5 m below, at regular intervals of time. The first drop strikes the floor when the sixth drop…

Two cars P and Q are moving on a road in the same direction. Acceleration of car P increases linearly with time whereas car Q moves with a…

A body starts moving from rest with constant acceleration and covers displacement S₁ in the first (p-1) seconds and S₂ in the first p…

The displacement and the increase in the velocity of a moving particle in the time interval from t to (t+1) seconds are 125 m and 50 m/s,…

Two cars are travelling towards each other at a speed of 20 m/s each. When the cars are 300 m apart, both drivers apply brakes, and the…

Force acts for 20 s on a body of mass 20 kg, starting from rest, after which the force ceases, and then the body describes 50 m in the next…

Spherical insulating ball and a spherical metallic ball of the same size and mass are dropped from the same height. Choose the correct…

A lift of mass M = 500 kg is descending with a speed of 2 m/s. Its supporting cable begins to slip, thus allowing it to fall with a…

An object moves with speed v₁, v₂, v₃ along the line segments AB, BC and CD respectively, where A, B, C and D are four points marked in…

A ball is thrown vertically upward with an initial velocity of 150 m/s. The ratio of velocity after 3 s and 5 s is (x+1)/x. The value of x…