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What is the final velocity of a train that starts at rest and accelerates for 15.0 seconds at an average acceleration of 2.40 meter per second squared?
Wiki User
∙ 11y ago
Unknown: final velocity, vf
Known:
initial velocity, vi = 0m/s
time, t = 15.0s
average acceleration, a = 2.40m/s2
Equation:
vf = vi + at
Solution:
vf = 0 + 2.40m/s2 x 15.0s = 36.0m/s
Wiki User
∙ 11y ago
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Is a car accelerates from rest to 27M/S 22.9 seconds what is the average acceleration?
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If the acceleration was constant (15 + 25) /2 = 20 (time does not figure into the averaging at all!)
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