An astronaut throws a rock in space. Describe its motion in terms of speed and direction. Ignore gravitational and frictional effects.

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

The energy produced as a result of this flow of electrons from atom to atom is called

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?