A car traveling 96 km/h is 270 m behind a truck traveling 79 km/h .
How long will it take the car to reach the truck
Express your answer using two significant figures.
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Answer:
Vc= speed of car
Vc= 96×(5÷18) m/ s
=480/18 m/s
Vt= speed of truck
Vt= 79×(5÷18) m/s
=395/18 m/s
Vr= relative velocity of car wrt truck
= 480/18 - 395/18
= 85/18
•°• Time= distance/speed
=270÷(85/18) second
T=57 second
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