edurack

Laws of Motion: JEE Mains 2022, June 28 - Shift 1

Easy· Conservation of linear momentum· +4 / −1

A man of mass

60\ \text{kg}

comes with velocity

v

and jumps into a car of mass

120\ \text{kg}

at rest. The combined velocity is

2\ \text{m s}^{-1}

. Then

v

is :

Practise more Laws of Motion PYQs

A body of mass M at rest explodes into three pieces in the ratio of masses 1:1:2 . Two smaller pieces fly off perpendicular to each other…
JEE Mains 2022 June 29 Shift 1 · Easy
A block of mass 4m rests on a smooth ice slab. A horizontal force 2mg pulls it towards the left, and a light string attached to it passes…
JEE Mains 2022, June 28 - Shift 1 · Medium
A block of metal weighing 2\ kg is resting on a frictionless plane (as shown in figure). It is struck by a jet releasing water at a rate…
JEE Mains 2022 June 29 Shift 1 · Easy
A block of mass 40\ kg slides over a horizontal surface when a mass of 4\ kg is suspended through an inextensible massless string passing…
JEE Mains 2022 June 29 Shift 2 · Medium
A block of mass M placed inside a box descends vertically with acceleration a . The block exerts a force equal to one-fourth of its weight…
JEE Mains 2022 June 29 Shift 2 · Easy