Asked by daryl

A car accelerates from rest at -2.10 m/s2.
a. What is the velocity at the end of 4.0 s?
b. What is the displacement after 4.0 s?
Answered by Damon
v = a t = -2.1*4

x = .5 a t^2 = .5 (-2.1)(16)
Answered by daryl
Thank you!
Answered by Damon
You are welcome.
Answered by stephanie
A particle accelerates from rest at 6.1 m/s
2
.
What is its speed 4.6 s after the particle
starts moving?
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