Aforce of 100 newtons was necessary to lift a rock. a total of 150 joules of work was done. how far was the rock lifted

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.