a race car goes around a circular track of radius 150 m at speed of 10.0 m/s. How long does it take to complete one lap?

In what direction does the medium move relative to the direction of the wave? explain.

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.