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A car is initially moving at 20 m/s.  The car then accelerates at a rate of 5 m/s2.  How fast will the car be moving after 400 meters?
in Grade 12 Physical Sciences by Diamond (39.8k points) | 41 views

1 Answer

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WOW! 2 QUESTIONS IN ONE.

FOR THE TOP ONE (SUPERMEN).

Vf= Vi+at

= 300+ (20)(10)

= 500 m/s

SECOND!!!

Vf^2= Vi^2+ 2aX

Vf= SQUARE ROOT of (20)^2+ 2(5)(400)

= 66.332 m/s

 

 

by Wooden (2.3k points)
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