Mathematics (AS & A Level) · Feb / March 2022 · Paper 42 · Question 7
9709
As printed in the paper
The question as text
A bead, A, of mass 0.1kg is threaded on a long straight rigid wire which is inclined at sin−1 7 25 to the horizontal. A is released from rest and moves down the wire. The coefficient of friction between A and the wire is -. When A has travelled 0.45m down the wire, its speed is 0.6ms−1.
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7(a)[6]
7(b)[6]
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