Need with this physics question? which statement best explains the difference between velocity and speed? a) speed is a vector and requires a direction to completely describe it. b) velocity is a vector and requires a direction to completely describe it. c) speed is measured in units of meter and velocity is measured in units of meters per second. d) velocity is measured in units meters per second and speed is measured in units of miles per hour.

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?