Question

A comet, travelling in space, enters the atmosphere of a planet.
Fig. 1.1 is the speed-time graph for the comet from time t = 0 s.
40 000
speed
m/s
30 000
20 000
10000
120
y-2100
0
16.0
4.0
6.0
8.0
10.0 12.0
4-17060
time/s​

Answer 1

Answer:

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