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The initial velocity of a truck is 10 m/s. How long must it accelerate at a constant acceleration of 2m/s2 before its average velocity is equal to three times its initial velocity
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3 votes
3 votes
The initial velocity of a truck is 10 m/s. How long must it accelerate at a constant acceleration of 2m/s2 before its average velocity is equal to three times its initial velocity

User InSync
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1 Answer

9 votes
9 votes

Answer:

10s

Step-by-step explanation:

vf = vi+at

30=10+2t

20= 2t

t = 10 s

User Cereal Killer
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3.1k points
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