Colby’s dog was running in the park with a speed of 28 m/s. If is dog had 6000 J of kinetic energy, find his dog’s mass.

The dog's mass is 15.3kg.

Explanation:

Given that the formula for kinetic energy is k.e = 1/2×m×v² where m represents mass and v is the velocity. Then, you have to substitute the following values into the formula :

Let k.e = 6000,

Let v = 28,

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not too sure thinking all accelerations are pointed down