Consider two slides, both of the same height. One is long and the other is short. From which slide will the children have a greater final speed when they slide off? Assume that there is no friction acting.

Question

Andrews

Physics

9 January, 14:52

Consider two slides, both of the same height. One is long and the other is short. From which slide will the children have a greater final speed when they slide off? Assume that there is no friction acting.

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Israel Fowler · Answer 1

Sine the plane is horizontal, effect of gravity on horizontal motion will be nil.

Since no friction is acting on it, no horizontal force is acting on it. Since no vertical, no horizontal force is acting on it, it will have uniform motion, ie its velocity will remain unchanged during its motion, no matter how long the path is.

So, velocity along the path will remain unchanged.