What will be the approximate cost of running a 8 watt light for one week when electricity costs 12 cents per kWh?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

What is part of a line has one endpoint and continues in one direction?

Aspring that is stretched 2.6 cm stores a potential energy of 0.053 j. what is the spring constant of this spring?