The formula for kinetic energy is KE = m • v2. In this formula, KE stands for kinetic energy (in joules), m stands for mass (in kilograms), and v2 stands for speed squared, or the speed multiplied by itself. Calculate the kinetic energy of a 20-kg sled moving 28.0 m/s. ✏️Show your work in the space to the right. (Double click the box to edit it). To check your answer, set the height to 40 m and the mass to 20 kg. Click Play and wait until the sled gets to the bottom.

Explanation:

Given

Required

Determine the kinetic energy

The kinetic energy formula as presented in the question, is incorrect.

The right formula is:

Substitute 20 for m and 28.0 for v

Hence, the kinetic energy is 7840 joules

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