Skip to content

Course home

Sign up

8 Energy – forces doing work

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081
Question 52

A technician records these results before preparing a Sankey diagram for a gas boiler.

QuantityResult
Energy supplied to the boiler64 kJ
Energy transferred to the water40 kJ
Width used for the total energy supplied32 mm
Number of output branches2

What width should the technician draw for the branch representing the energy transferred to the surroundings?

[1]
A

12 mm12\ \mathrm{mm}12 mm

B

20 mm20\ \mathrm{mm}20 mm

C

24 mm24\ \mathrm{mm}24 mm

D

0.75 mm0.75\ \mathrm{mm}0.75 mm

Markscheme

8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

Question bank