Question

The maximum horizontal
range of a projectile is 980 m.
What is its initial speed ?
(A) 49 m/s
(B) 98 m/s
(C) 75 m/s
(D) 135 m/s​

Answer 1

Answer:

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The maximum horizontal range of a projectile is 1960 m. Find its initial speed and the pead height attains in its flight.

Answer 2

Explanation:

r=u^2/g

980=u^2/10

u^2=9800

u=70√2