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. 0 0 10 000 speed m / s 20 000 30 000 40 000 4.0 8.0 12.0 time/ s 16.0 Fig. 1.1 (a) (i) During the period t = 0 s to t = 6.0 s, both the speed of the comet and the velocity of the comet remain constant. State what this suggests about the motion of the comet
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Answer:
(it / comet) travels in a straight line
Explanation:
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