Which of the following materials is a good conductor of electric current?
a. a light bulb filament
b. a glass pane
c. a silver spoon
d. a rubber tire

Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s

The mini-refrigerator fire was most likely caused by what type of wiring?

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d