Adevice used to open and close an electric circuit is a(n)
a. light bulb.
b. energy source.
c. switch.
d. resistor.

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above