Asked by lizzy
a stone dropped from the roof at a velocity of 6m/s2 and reaches the ground with the velocity of 18m/s.how high is the roof from the ground
Answers
Answered by
MathMate
use
v1²-v0²=2gS
where S is the height of the roof, g=acceleration due to gravity, v0 and v1 are initial and final velocities.
v1²-v0²=2gS
where S is the height of the roof, g=acceleration due to gravity, v0 and v1 are initial and final velocities.
Answered by
drwls
6 m/s^2 is not a velocity. You must have meant 6 m/s.
mathmate is correct. The answer will not depend upon the angle that the stone was thrown. The time the stone is in the air WILL depend upon that angle.
mathmate is correct. The answer will not depend upon the angle that the stone was thrown. The time the stone is in the air WILL depend upon that angle.
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