How does an object move when it is subject to a steady centripetal force? how does it move if that force suddenly disappears?

Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?

The consumption of fossil fuels could be

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?