Quelpr
1 markMotions

CAPE Physics Unit 1 · 2007 · Paper 2 · Question 5(c)(i)

While the paint drum in (b) is stationary at a height of 35 m, the cable breaks.

Sketch graphs to show the variation with time of the drum's displacement and velocity.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(i)A body of mass m is accelerated from rest to a speed v by the application of a constant force. Derive the equation E_k = (1/2)mv² for the kinetic energy of the…[3 marks]
  2. 5(a)(ii)A satellite is launched from the ground and placed in an orbit with a height of 900 km. Why does the equation ΔE_p = mgh NOT apply to this situation?[1 mark]
  3. 5(a)(iii)The car on a roller coaster (Figure 6) is travelling at 12 m s⁻¹ at the top of a hill but a short time later when it reaches the bottom of the hill, 35 m…[5 marks]
  4. 5(b)(i)What was the gain in potential energy of the load?[1 mark]
  5. 5(b)(ii)Find the power output of the winch motor.[2 marks]
  6. 5(b)(iii)The winch has an efficiency of 70%. How much electrical power is required by the winch's motor?[3 marks]
  7. 5(c)(ii)Find the time taken by the drum to reach the ground.[1 mark]

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