Select all the correct answers.
janet installed a dimmer on the lights in her bedroom. she slid the dimmer switch, causing the resistance in the circuit to decrease. assuming
the voltage is constant, what affect will janet's actions have on the circuit?
the voltage will increase from 120 to 240 volts.
the lights will brighten.
the current will decrease.
the current will increase.
the lights will dim.

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging

The energy of a photon is equal to (what) times (what) of the photon.