question archive a car travels at 15m/s for 10 s
a car travels at 15m/s for 10 s
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a car travels at 15m/s for 10 s. it then speeds up with a constant acceleration of 2.0 m/s^2 for 15s. At the end of this time, what is its velocity?
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Answer:
initial velocity vi = 15 m/s,
acceleration a = 2.0 m/s^2,
time t = 15 s, find final velocity vf
vf = vi + at = 15 + 2.0*15 = 45 m/s
