# Answer to Question #20288 in Mechanics | Relativity for Sherehan

Question #20288

A Car Of Uniform Velocity 25 m/Sec Moving Behind A Motorcycle Of Uniform velocity 20 m/sec

If The Distance Between Them Is 360 ,Calculate The Time Elapsed For The Car To Overtake The Motorcycle .

If The Distance Between Them Is 360 ,Calculate The Time Elapsed For The Car To Overtake The Motorcycle .

Expert's answer

V1 = 25m/sec - a velocity of the car

V2 = 20 m/sec - a velocity of the motorcycle

V12 = V1 - V2 = 5 m/sec - a relative velocity

t = L/V12 = 360/ 5 = 72 sec

L - the distance between motorcycle and car

Answer: The Time Elapsed For The Car To Overtake The Motorcycle Equal 72 seconds.

V2 = 20 m/sec - a velocity of the motorcycle

V12 = V1 - V2 = 5 m/sec - a relative velocity

t = L/V12 = 360/ 5 = 72 sec

L - the distance between motorcycle and car

Answer: The Time Elapsed For The Car To Overtake The Motorcycle Equal 72 seconds.

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