Asked by zinny

a particle is projected horizontally at 15m/s from a height of 20m calculate the horizontal distance covered by the particle just before hitting the ground (g=10m/s square)
Answered by Steve
how long does it take to hit the ground?

10t^2 = 20

use that t to find the horizontal distance: d = 15t.
Answered by Steve
rats: 5t^2=20
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