NEET PhysicsClass 11Conservation of momentumHardSingle correct

A 60 kg skater stands at rest on frictionless ice holding a 3 kg ball. She throws the ball horizontally forward so that, just after release, the ball moves at 12 m/s relative to her. What is the skater's recoil speed relative to the ice?

More NEET Physics chapters

© 2026 Lumi (Aikolumi Software Pvt Ltd). Original questions written by Lumi. Free to view and practise on this site. Copying, republishing or reproducing these questions, options or solutions, in print or online, is not permitted.

Practising is step one. Knowing what to practise next is the hard part.

The Lumi app tracks every answer, finds the concepts you're losing marks on, and schedules your revision with FSRS before you forget.

Start learning free