Question

How far should a man of mass 60 kg run so that his kinetic energy is 750j?

Answer 1

Correct question : How fast should a man of mass 60 kg run so that his kinetic energy is 750j?

Answer:

Velocity, v = 5 m/s

Explanation:

Refer the attached picture

Answer 2

Q: How far should a man of mass 60 kg run so that his kinetic energy is 750j?

Ans: M = 60 kg

KE = 750 J

V = ?

$k.e = \frac{1}{2} \div \times m \times {v}^{2}$

$750 = \frac{1}{2} \div \times 60 \times {v}^{2}$

v = 5 m/ s