- initial velocity=u=20km/h=5.5m/s
- Acceleration=a=8m/s^2
- Time=t=10s
The density of gold is 19.3 g/cm^3. what is the mass of 24 cm^3 of gold?
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When a force causes a body to move, work is done on the object by the force. Work is the measure of the energy transfer when a force 'F' moves an object through a distance 'd'. So we say that energy is transferred from one energy store to another when work is done, and therefore, energy transferred = work done.