(Answered) Toni has a mass of 43 kg and is moving with a speed of 116

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Toni has a mass of 43 kg and is moving with a speed of 11.6 m/s. Assume that air resistance is negligible.

(a) Find Toni's kinetic energy.

(b) Toni's speed changes to 5.8 m/s. Now what is her kinetic energy?

(c) What is the ratio of the kinetic energies in parts a and b?

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