The kinetic energy of the body is 16 J and the momentum is 4 kg multiplied by m / s. What is body weight?

To find the mass, we deduce the velocity from the momentum formula, this is ours
p = mv; v = p / m
And we substitute this under the formula kin. energy
Ek = mv ^ 2/2
And comes out
Ek = m (p / m) ^ 2/2
Now we substitute the values, and find out the mass
16 = m * 16 / m ^ 2/2
Mass shrinks with degree
16 = 16 / m / 2
16/2 = 16 / m
m = 2 (kg)
Answer: m = 2 (kg)