# 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 .

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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