How far does a model rocket accelerating at +40m/s^2 go in 2 seconds if launched from rest?

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.

What is special about a dc circuit ?

Which composition of water moves to begin a deepwater current?