What is the minimum time required for a packet to be launched from...

What is the minimum time required for a packet to be launched from a cannon, situated 800m away from the foot of a 500m high hill, to reach the ground on the other side of the hill? The cannon can launch packets at a speed of 125 m/s and can be moved on the ground at a speed of 2 m/s. (Considering g = 10 m/s²)

Options

A40 s
B42 s
C45 s
D48 s

Correct answer

C. 45 s

Step-by-step solution

Correct Option is : (C)
45 s

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