the over bridge of a river is the form of a circular arc of radius of curvature r if m is the combined mass of motorcycle and the rider crossing the bridge at a speed v, the thrust on the bridge at the highest point will be:
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I think it is a fair answer
Explanation:
Answer
Correct option is
D
18×9.8
m/s
The greatest speed, v is given by:
r
v
2
=g
or, v=
rg
=
18×9.8
m/s
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