If Cerulean was to make an energy conversion diagram of a motor, which would he choose to accurately represent a motor? a. electrical energy – heat – mechanical energy – sound
b. mechanical energy – electrical energy – heat – sound
c. mechanical energy – sound – heat – electrical energy
d. electrical energy – mechanical energy – sound – heat

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Which of the following list the divisions of the geologic time scale in order from longest to shortest