A jeep moves at uniform speed of 60 kmh -1 on a straight road blocked by a wall. The jeep has to take a sharp perpendicular turn along the wall. A rocket flying at uniform speed of 100 kmh -1 starts from the wall towards the jeep when the jeep is 30 km away. The rocket reaches the windscreen and returns to wall. Total distance covered by the rocket is
Text Solution
Verified by ExpertsThe correct answer is:
B
The time taken by jeep to cover a distance of 30 km
= Distance/Speed
= 30/60 = 1/2 hr.
Total distance covered by rocket in this duration
= speed × time
= 100 × ½ = 50 km
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