Asked by tanya
A student is standing on top of the school building (which they shouldn’t be doing) and has a height of 78.4m. They kick a rock off the edge of the building with a velocity of 6 m/s.
How long does it take the rock to fall?
How far away from the base of the building does the rock land?
How long does it take the rock to fall?
How far away from the base of the building does the rock land?
Answers
Answered by
R_scott
flight time (t)
78.4 = 1/2 * g * t^2 ... t = √(2 * 78.4 / g)
horizontal distance = 6 m/s * t
78.4 = 1/2 * g * t^2 ... t = √(2 * 78.4 / g)
horizontal distance = 6 m/s * t
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