Question

What is the kinetic energy of a toy truck with a mass of 0.75 kg and a velocity of 4 m/s? (Formula: )

Answer 1

Kinetic energy=1/2mv^2
=1/2*3
=1.5 J

Answer 2

$\frac{1}{2} \times m \times {v}^{2} \\ \frac{1}{2} \times 0.75 \times 4 \times 4 \\ 6j$
hope it helps