Practice portal › JEE › Work, Energy and Power

Collisions in Two Dimensions for JEE: 16 solved questions

Real JEE paper questions on collisions in two dimensions, part of work, energy and power. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2005 to 2021. No sign-in needed to read them.

What this topic asks

• Momentum components in two dimensions — 9 questions
• Oblique collisions and angles — 7 questions

All 16 questions with solutions

• A body of mass M moving at a speed V₀ collides elastically with a mass m at rest. After the collision, the tw… JEE Main 31st Aug 1st Shift 2021
• A particle of mass m with an initial velocity ûi collides perfectly elastically with a mass 3m at rest. It m… JEE Main 2nd Sept 1st Shift 2020
• Particle A of mass m₁ moving with velocity (√3̂i+̂j) m s⁻¹ collides with another particle B of mass m₂ which… JEE Main 6th Sept 2nd Shift 2020
• Two particles of equal mass m have respective initial velocities ûi and u((̂i+̂j)/2). They collide completel… JEE Main 9th Jan 1st Shift 2020
• A particle of mass m is projected with a speed u from the ground at an angle θ=π/3 w.r.t. horizontal (x-axis)… JEE Main 9th Jan 2nd Shift 2020
• A particle of mass 'm' moving with speed '2v' collides with a mass '2m' moving with speed 'v' in the same dir… JEE Main 9th April 2nd Shift 2019
• Two particles, of masses M and 2M, moving, as shown, with speeds of 10 m/s and 5 m/s, collide elastically at… JEE Main 10th April 1st Shift 2019
• A proton of mass m collides elastically with a particle of unknown mass at rest. After the collision, the pro… JEE Main Online 2018
• Two particles A and B of equal mass M are moving with the same speed v as shown in the figure. They collide c… JEE Main Online 2017
• A particle of mass m moving in the x direction with speed 2v is hit by another particle of mass 2m moving in… JEE Main 2015
• A mass m moves with a velocity v and collides inelastically with another identical mass. After collision the… AIEEE 2005
• A ball of mass 10 kg moving with a velocity 10√3 m s⁻¹ along X-axis, hits another ball of mass 20 kg which is… JEE Main 16th March 1st Shift 2021
• A ball of mass 10 kg moving with a velocity 10√3 m/s along the x-axis, hits another ball of mass 20 kg which… JEE Main 18th March 1st Shift 2021
• A particle of mass m is moving along the x-axis with initial velocity ûi. It collides elastically with a par… JEE Main 2nd Sept 2nd Shift 2020
• Two bodies of the same mass are moving with the same speed, but in different directions in a plane. They have… JEE Main 6th Sept 1st Shift 2020
• A body A, of mass m=0.1 kg has an initial velocity of 3̂i m s⁻¹. It collides elastically with another body, B… JEE Main 8th Jan 1st Shift 2020