AIPMT PRELIMS2000Physics-Relative Motion
AIPMT PRELIMS 2000 Physics River Boat Problems MCQ Question
Type: MCQ-numerical-Medium-Class 11
The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river with shortest will possible path in 15 min. Then the velocity of river stream is :
A
3 km/hr
B
4 km/hr
C
√29 km/hr
D
41 km/hr
Correct Answer
Option A
Detailed Explanation
The shortest path implies the boat moves perpendicular to the river flow. Using the time and width, the river's velocity is calculated as 4 km/hr.
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