Question

66. The height y and horizontal distance x covered
by a projectile in a time t seconds are given
by the equations y = 8t - 5t2 and x = 6t. If
x and y are measured in metres, the velocity
of projection is
1) 8 ms -1
3) 14 ms-1
2) 6 ms-1
4) 10 ms.​

Answer 1

Answer:

14 ms -1

Explanation:

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Answer 2

Refer The Attachment ⬆️

◕➜ Option 4

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