3 Answered Questions for the topic Motion And Speed
02/23/18
An athlete speeds up uniformly from rest to a velocity of 10m/s after 2.0s.
a) How far does the athlete travel in the first 1.0s?
b) How long does it take the athlete to travel 120m? (use a graphical method)
a) is 2.5m
b) is 13s
HOW?
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Motion And Speed
10/16/17
Calculate James’ average speed for the entire journey.
James walks 1 km away from home in 15 minutes. He stops and rest for 5 minutes and then walks back home along the same path, but he spent 20 minutes to reach home.
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Motion And Speed Motion
07/25/17
in a 100m race, the winner takes 10sec to reach the finishing point. The average speed of the winner is______________m/s
option=
5
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40
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