4. A car accelerates at a rate of 6m/s2. If its original speed is 8m/s, how many seconds will it take the carto
reach a final speed of 25m/s?
reach a final speed of 25m/s?
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given:
a = 6 m/s²
initial velocity = 8 m/s
final velocity = 25 m/s
looking for time
formula:
a = (final velocity - initial velocity)/t
sol:
6 = (25 - 8)/t
6t = 17
t = 2.83 seconds