What is the momentum of 20 G Mass moving at 100 meters every 4 seconds

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.

The mantle is made up of which structural zones?

Contains chemical energy. a. heat b. light c. natural gas