Quelpr
3 marksSI Units

CAPE Physics Unit 1 · 2017 · Paper 2 · Question 4(a)(ii)

The volume, V, of liquid that flows through a pipe in time, t, is given by the equation V/t = πPr⁴/(8Cl), where P is the pressure difference, r is the radius, l is the length, and C is a constant depending on frictional effects.

Determine the base unit of C.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)(i)State the SI base unit of volume.[1 mark]
  2. 4(b)(i)Define the term 'work', stating an appropriate unit for its measurement.[2 marks]
  3. 4(b)(ii)Calculate the component of the weight of the car down the slope.[2 marks]
  4. 4(c)(i)Show that the deceleration of the car is 4.2 m s⁻² with the braking force applied.[2 marks]
  5. 4(c)(ii)Calculate the distance the car travels from the time the braking force is applied until the car comes to rest.[2 marks]
  6. 4(c)(iii)Calculate the loss of kinetic energy of the car.[1 mark]
  7. 4(c)(iv)Determine the work done by the resisting force of 4500 N in bringing the car to rest.[1 mark]
  8. 4(c)(v)Explain why the quantities in (c)(iii) and (c)(iv) are NOT equal.[1 mark]

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