Question

The over-bridge of a river is in the form of a circular arc of radius of curvature 10 m. If g=10 m/s2, what is the highest speed at which a motor cyclist can cross the bridge without leaving the ground?​

Answer 1

Answer:

Given data,

R=20m

g=9.8m/s

2

V

max

=?

For maximum velocity, weight of the car balances the cetrifugal force acting on it.

R

V

2

=g

⇒V=

Rg

⇒V=

20×9.8

=

196

⇒V

max

=14m/s

Answer 2

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