A-LevelPhysicsWork, energy and power9702/12 · May/June 2018 · Q181 Mark
A steel sphere is dropped vertically onto a horizontal metal plate. The sphere hits the plate with speed u, leaves it at speed v, and rebounds vertically to half of its original height. Ignore air resistance. Which expression gives the value of v/u?
A1/2²
B1/2
C1/√2
D1 - 1/√2
✓ Correct answer
C: 1/√2
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Work, energy and power and see which topics are most likely to come up next.
Sign up free →