Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 43 · Question 1
9709
As printed in the paper
The question as text
A metal post is driven vertically into the ground by dropping a heavy object onto it from above. The mass of the object is 120 kg and the mass of the post is 40 kg (see diagram). The object hits the post with speed 8 m s−1 and remains in contact with it after the impact.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)[2]
1(b)[3]
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