Answer:
Option (c).
Explanation:
An object when when projected at an angle, will have some horizontal velocity and vertical velocity such that,

is the angle of projection
The horizontal component of the projectile remains the same because there is no horizontal motion. Vertical component changes at every point.
As a projectile falls, vertical velocity increases in magnitude, horizontal velocity stays the same
.
Answer:
1585.67N
Explanation:
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Since it was dropped, it should be the speed of gravity which is 9.8 meters/second
Use the impulse-momentum theorem.

Substitute your known values:

Hope this helps!