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Question

A vehicle is travelling at uniform speed 36 kmph along a fly-over bridge and a person of mass 50 kg in the vehicle experiences a normal reaction 390 N as the vehicle crosses the highest point. The radius of curvature of the fly-over bridge is:
  1. 40 m
  2. 50 m
  3. 80 m
  4. 100 m

A
80 m
B
100 m
C
50 m
D
40 m
Solution
Verified by Toppr

V=36 km/h

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