Kinetic energy 0001

, por F_y_Q

An object of mass 2 kg is falling at 7 m/s. What is this object’s kinetic energy?


SOLUCIÓN:

The kinetic energy’s equation is:

E_C = \frac{1}{2}\cdot m\cdot v^2\ \to\ E_C = \frac{1}{2}\cdot 2\ kg\cdot 7^2\frac{m^2}{s^2} = \bf 49\ J