Aforce of 200n is needed in order to push a wheelbarrow that weights 1000n. if the wheelbarrow is pushed 30m, how much work is done on the wheelbarrow? what power is required if it takes 10 seconds to push the wheelbarrow?

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.