What is the momentum of 50-kg object moving with a constant velocity of 20 m/s

Atown is considering building a biodiesel power plant that would burn biomass to generate electricity. which of the following correctly lists an advantage and a disadvantage of this project?

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.

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?