A 20w light bulb uses electricity from the mains supply 230v calculate the size of the current helpp

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

Which composition of water moves to begin a deepwater current?

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.