A car starting from a standstill accelerates at a rate of 4 meters per second squared. How far, in kilometers, will the car travel in 20 seconds? A. 1,600 km B. 800 km C. 40 km D. 0.8 km
The car will travel 800 m in 20 seconds. d = (1/2)at^2 = (1/2)(4)(20)^20 = 2(400) = 800 m
s
Question
Updated 9/19/2014 6:48:19 AM
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8
The car will travel 800 m in 20 seconds.
d = (1/2)at^2 = (1/2)(4)(20)^20 = 2(400) = 800 m

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