A cinder block is sitting on a platform 50m high. It weighs 9.5kg. The block has energy. Calculate it.

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

Which atomic model was proposed as a result of j. j. thomson’s work?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples