SOLUTION: Starting from rest, a car accelerates at a rate of 4.2 m/s2 for a time of 5 seconds. What is it's velocity at the end of this time?

Question 337108: Starting from rest, a car accelerates at a rate of 4.2 m/s2 for a time of 5 seconds. What is it's velocity at the end of this time?
Found 2 solutions by Fombitz, CharlesG2:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Not technically an algebra problem but,
m/s
Answer by CharlesG2(834) (Show Source): You can put this solution on YOUR website!
Starting from rest, a car accelerates at a rate of 4.2 m/s2 for a time of 5 seconds. What is it's velocity at the end of this time?

V = Vo + at
V = end velocity, Vo = initial velocity, a = acceleration, t = time
Vo = 0 m/s, a = 4.2 m/s^2, t = 5 seconds
V = 0 + 4.2 * m/s^2 * 5 * s
V = 21 m/s

RELATED QUESTIONS
A stone id dropped out of a window near the top of a building, what its velocity when it... (answered by ikleyn)
What is the velocity of a car that accelerates from rest at 9.0ft/s for... (answered by MathLover1)
a sport car accelerates from rest at 4 m/s^2 for 10 seconds. calculate the final... (answered by Alan3354)
A car has an acceleration of 8 m/s2. How much time is needed for it to reach a velocity... (answered by Alan3354)
A car has mass of 900kg. It accelerates from rest at anrate of 1.2m/s . a)calculate the (answered by Alan3354)
How long does it take a car to cross a 30.0 m wide intersection after the light turns... (answered by ikleyn)
Starting from rest, a particle moving in a straight line has an acceleration,𝒂 =... (answered by Solver92311,ikleyn)
What is the final velocity of a plane that accelerates at 5 m/s2 down a 1500m runway? (answered by Alan3354)
If anyone could help me out it would be greatly appreciated. I am stumped here and would... (answered by MathLover1)