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Jeremy analyses one of his parachute jumps.
He draws a graph showing his velocity up to the opening of his parachute.
a) Estimate Jeremy's 60-
acceleration at t = 10s
to 1 decimal place.
Velocity (v in m/s)
b) Estimate his average
speed for this part of
the jump.
Give your answer to
two significant figures.
50-
40-
-30-
20-
10-
0-
0
10
30
20
Time (t in seconds)
Parachute
opening
40
50
Sagot :
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