19cristiangar 19cristiangar

20-11-2017
Physics

contestada

What’s the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms? Use the formula, . 3 m/s 5 m/s 7 m/s 8 m/s 10 m/s

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Аноним Аноним

20-11-2017

Kinetic energy of freely falling ball = [tex] \frac{mv^{2} }{2} [/tex]
∴ velocity of ball = √(2×K.E/m) = √(200/2) = 10 m/s.

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quillico803 quillico803

07-12-2018

the answer on plato is 10m/s

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