Units & Conversionsmedium
0:00.0

The kinetic energy of a moving object is given by the formula Ek=12mv2E_k = \frac{1}{2}mv^2. If mass mm is measured in grams and velocity vv is measured in centimeters per second, the energy is measured in ergs. How many ergs are equal to 1 Joule1\text{ Joule}? (Note that 1 Joule=1 kilogrammeter2second21\text{ Joule} = 1\text{ kilogram} \cdot \frac{\text{meter}^2}{\text{second}^2}, 1 kilogram=1000 grams1\text{ kilogram} = 1000\text{ grams}, and 1 meter=100 centimeters1\text{ meter} = 100\text{ centimeters})