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How would i setup this problem 25kg wagon is sitting on top of a 10m high frictionless ramp. If the wagon rolls down the ramp what will its speed be at the bottom. I got the answer 125?
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∙ 6y ago
Calculate the potential energy of the wagon, at the top of the ramp. Assume that all the potential energy is converted to kinetic energy, and replace mass and energy into the equation for kinetic energy.As Anand Mehta pointed out, the actual mass is irrelevant in this problem; you can either use the mass given, or you can use a variable, such as "m", for the mass - in either case, it will disappear in the final solution.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoThe mass of the wagon is irrelevant. If acceleration due to gravity is taken to be 9.8 m/s2 then its speed at the bottom will be 14 m/s.
Wiki User
∙ 6y agoThe velocity is the square root of (2 x gravity acceleration x height). It is not dependent on the mass.With g = 9.8m/s/s that is square root of (2x 9.8 x 10) = 14 m/sec
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