Question

A bridge is in the from of a semi-circle of radius 40m. The
greatest speed with which a motor cycle can cross the bridge
without leaving the ground at the highest point is
(g = 10 m s⁻²) (frictional force is negligibly small)
(a) 40 m s⁻¹ (b) 20 m s⁻¹
(c) 30 m s⁻¹ (d) 15 m s⁻¹

Answer 1

Answer:

hope you understand mate option a is your answer mate

Explanation:

A bridge is in the from of a semi-circle of radius 40m. The

greatest speed with which a motor cycle can cross the bridge

without leaving the ground at the highest point is

(g = 10 m s⁻²) (frictional force is negligibly small)

(a) 40 m s⁻¹ (b) 20 m s⁻¹

(c) 30 m s⁻¹ (d) 15 m s⁻¹

Answer 2

Answer:

a = 40 b = 20 c = 15 d = 30 I hope it will help you