- #1
Dennis Heerlein
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Homework Statement
An object of mass m is allowed to slide down a frictionless ramp of angle θ and its speed at the bottom is recorded as v. If this same process was followed on a planet with twice the gravitational acceleration as Earth, what would be its final speed?
Homework Equations
The book used v = vo + (a)(t) to solve, but since it's based on distance, isn't v2 = (v0)2 +(2)(a)(Δx) necessary to solve it?
The Attempt at a Solution
Using the latter equation, simply plugging in 2gsinθ instead of gsinθ, v will increase by a factor of √2; the book solution however says the answer is 2.