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1
2
, = +
2
1
2
ℎ =
2
2ℎ
∴ = √
Horizontal Range (R):
For horizontal motion, = , =
1
2
= +
2
=
2ℎ
= √
Case B: A projectile thrown from ground.
Consider a projectile thrown from ground with initial velocity u making
angle above the horizontal. let h be the height of the tower. The projectile has
two types of motion at the same time. The velocity u can be resolved into two
components.
19 Mechanics
