Asked by Sandrine Parent
What minimum speed does a 170 g. puck need to make it to the top of a 6.0 m. long, 27 frictionless ramp?
Answers
Answered by
Sandrine Parent
its 27 degree horizontal **
Answered by
drwls
The vertical rise of the puck is
H = 6.0 sin27 = 2.724 m
Conservation of energy tells you that, when there is no friction, and the velocity is zero at the top,
gH = Vo^2/2
Solve for the required minimum initial speed Vo.
You don't need to know the mass.
H = 6.0 sin27 = 2.724 m
Conservation of energy tells you that, when there is no friction, and the velocity is zero at the top,
gH = Vo^2/2
Solve for the required minimum initial speed Vo.
You don't need to know the mass.
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