Quelpr
2 marksConservation of Energy

CAPE Physics Unit 1 · 2014 · Paper 2 · Question 1(b)(iii)

A rubber ball is raised from the floor to a table of height 1.7 metres, then dropped from the table onto the floor and bounces up 1 metre. Figure 2 shows six snapshots of the ball's motion.

How much potential energy has the ball lost from Picture 1 to Picture 6, if the ball weighs 2 N?

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)(i)Calculate the initial horizontal component of the missile's velocity.[2 marks]
  2. 1(a)(ii)By neglecting air resistance, determine the horizontal range of the missile.[2 marks]
  3. 1(b)(i)In which picture does the ball have maximum potential energy?[1 mark]
  4. 1(b)(ii)In which picture does the ball have maximum kinetic energy?[1 mark]
  5. 1(c)On the grid provided on page 7, plot a graph of H_rebound versus H_before (starting at the origin).[4 marks]
  6. 1(d)(i)Use the graph in (c) above to deduce the equation relating H_rebound and H_before.[2 marks]
  7. 1(d)(ii)How high would the ball be expected to rebound if it were dropped from a height of 2.04 m?[1 mark]

More practice: the rest of this paper · more Conservation of Energy questions · all CAPE Physics Unit 1 past papers