Physics · May / June 2021 · Paper 42 · Question 1
0625
As printed in the paper
Show the answer and mark scheme
1(a)[1]
same (as density of surrounding air)
1(b)(i)[1]
falls
1(b)(ii)[2]
volume decreases
density increases
1(c)(i)[3]
starts at origin
finishes horizontal by eye
gradient decreasing smoothly to 0
1(c)(ii)[2]
10 m / s2 (down)
0 ignore any unit
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