How are electromagnetic waves different from mechanical waves? Question 1 options:

Electromagnetic waves travel through water; mechanical waves can only travel through solid matter

Electromagnetic waves need a medium to travel through; mechanical waves do not

Electromagnetic waves are long chains of vibrating molecules; mechanical waves aren't

Electromagnetic waves can travel through empty space; mechanical waves can not

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?

If it takes ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the displacement she covers in that time?