An object has a mass of 5 kg what force is needed to accelerate it at 6 m/s^2

Avoltaic cell converts chemical energy to

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Matter that emits no light at any wavelength is called