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1.7.1a Energy stores and energy transfers

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Question 13

A ball of mass m m\,m is projected vertically upwards from the ground with an initial speed uuu. The ball reaches a maximum height HHH.

As it rises, air resistance acts on the ball, causing some of its initial energy to be transferred to the surroundings.

Which expression gives the work done against the air resistance during the ball's rise to its maximum height?

A

mgH−12mu2mgH - \frac{1}{2}mu^2mgH−21​mu2

B

12mu2−mgH\frac{1}{2}mu^2 - mgH21​mu2−mgH

C

12mu2\frac{1}{2}mu^221​mu2

D

12mu2+mgH\frac{1}{2}mu^2 + mgH21​mu2+mgH

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1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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