Physics · May / June 2022 · Paper 42 · Question 1
0625
As printed in the paper
The question as text
Fig. 1.1 shows an electrically powered bicycle. battery electric motor Fig. 1.1 When fully charged, the battery can deliver a power of 600 W for 60 min.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)(i)[3]
(E =) 2 200 000 (J) OR 2.2 × 106 (J)
(E =) Pt in any form
C1 (E =) 600 × 3600
C1
1(a)(ii)[1]
chemical
1(b)[2]
(t =) 8600 s OR 140 min OR 2.4 h OR 2 h 24 min
OR
(t =) 8800 s OR 147 min OR 2 h 27 min
(t =) 2.2 × 106 / 250 OR (600 × 60) / 250 OR 1 × 600 / 250
C1
1(c)[2]
any two from:
less noise OR no noiseless OR no air / gaseous pollution (from the bicycle) OR does not produce acid rain(the bicycle) uses no / less fossil fueldoes not contribute to greenhouse effect OR does not release CO2
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