How much work is done on a vacuum cleaner that weighs 126 N that is pulled 6 m by a force of 50.0 N at an angle of 26.0° above the ground?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

When an object is heated it contracts. a. true b. false

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e