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You throw a ball from a cliff with an initial velocity of 15 m/s at an angle of 200 below the horizontal. Find (a) its horizontal displacement and (b) its vertical displacement 2.3 s later.

You throw a ball from a cliff with an initial velocity of 15 m/s at an angle of 200 below the horizontal. Find (a) its horizontal displacement and (b) its vertical displacement 2.3 s later.

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
7 years ago
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Round off to two significant figures,
x = 32 m
Therefore the horizontal displacement of the ball is 32 m.
235-620_1.PNG
Round off to two significant figures,
y = – 38 m
Therefore the vertical displacement of the ball is 38 m, , and the negative sign indicates the fact that ball is displacing downwards.

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