A car starting from rest moves with constant acceleration of 2 m/s2 for 10 s, then travels with constant speed for another 10 s, and then finally slows to a stop with constant acceleration of -2 m/s2. How far does it travel?

A) 400 m
B) 100 m
C) 500 m
D) 300 m
E) 200 m


A

Physics & Space Science

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A certain car traveling 34.0 mph skids to a stop in 29 meters from the point where the brakes were applied. In approximately what distance would the car stop had it been going 105.4 mph?

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A product of incomplete combustion that is a major air pollutant is

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