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Answer to Question #11095 in Mechanics | Relativity for safa

Question #11095
1. an object moved through distance can it have zero displacement . if yes support your answer with example.
2.a train starting from rest picks up a speed of 20m/s in 200seconds. it continues to move at same speed for the next 500 seconds. it is then brought to rest in the next 100 seconds.
a) plot a speed time graph
b) calculate the rate of uniform acceleration
c)calculate the distance covered by the train during retardation
d)calculate the average speed during retardation .
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