Simple Acceleration
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Car A is at rest (0 mi/hr), while car B is going 90m/hr with constant velocity. How fast will car A have to travel from rest in order to catch up to car B over a distance of 3 miles? How long will it take for car A to catch car B?
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Solution Summary
s = u*t + (1/2)*a*t^2
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Time taken by car B to travel a distance of 3 miles = 3/90 = 1/30 hr
Now for car A:
Initial velocity u = 0
Displacement s = 3 miles
time t = 1/30 ...
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