Skip to content

Course home

Sign up

3 Conservation of energy

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114
Question 102
H

Two pumps each transfer 120 kJ usefully in a test. Pump X has an efficiency of 0.80. Pump Y has an efficiency of 0.60.

What is the ratio of wasted energy from X to wasted energy from Y?

[1]
A

3:43:43:4

B

4:34:34:3

C

8:38:38:3

D

3:83:83:8

Markscheme

3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

Question bank