An electric field has a positive test charge of 5.00 c placed on it. The force on the test charge is 6.000 N. The magnitude of the electric field at the location of the test charge is___ 3.00 N/C
1.20 N/C
30.0 N/C
120 N/C
1.02 N/C

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.