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Physics

General

Easy

Question

The roadway of a bridge over a canal is in the form of a circular arc of radius 18 m. What is the greatest speed with which a motor cycle can cross the bridge without leaving ground.

$\sqrt{98}$ m/s
$\sqrt{18 \times 9.8} m / s$
18 × 9.8 m/s
18 / 9.8 m/s

The correct answer is: $square root of 18 cross times 9.8 end root m divided by s$

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