Physics · Oct / Nov 2019 · Paper 21 · Question 2
5054
As printed in the paper
The question as text
A small coin of mass m is initially at rest. It is dropped from a height h above ground level. The coin has a speed v as it hits the ground. The gravitational field strength g is equal to 10 N / kg.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[1]
2(b)[3]
1 [C1]
2 mv2 =mgh or v2 = 2gh or v2 =2 × 10 × 380 or v2 = 7600
2 10 [C1]380v
2
gh
or
87 m / s [A1]
2(c)(i)[1]
2(c)(ii)[2]
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