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Aitchison College Academic Resources.
Four different children run up the same set of stairs.
For which child is the useful power to climb the stairs the greatest?
mass of child/kg time taken/s
A 40 15
B 50 25
c 60 25
D 70 15
A student adds weights to an elastic cord. He measures the length of the cord for each weight.
He then plots a graph from the results, as shown.
oF
Oo
What has he plotted on the vertical axis?
A measured length
B original length
C (measured length + original length)
D (measured length — original length)
weight
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