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The roadway bridge over a canal is in the form of an arc of a circle of radius 20 m. What is the maximum speed with which a car crosses the bridge without leaving the ground at the highest point? |
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(a) |
10 m s-1 |
(b) |
12 m s-1 |
(c) |
14 m s-1 |
(d) |
16 m s-1 |
|
The roadway bridge over a canal is in the form of an arc of a circle of radius 20 m. What is the maximum speed with which a car crosses the bridge without leaving the ground at the highest point? |
|||||||
|
(a) |
10 m s-1 |
(b) |
12 m s-1 |
(c) |
14 m s-1 |
(d) |
16 m s-1 |