PLEASE HELP 25 POINTS Add the following numbers and round your answer to the correct number of significant figures: 90.0 + 80 =

Show both the unrounded and rounded answer.

Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).

Which type of energy is transferred by convection currents?

Agust of wind pushes a beach ball with a force of 9 newtons. the ball rolls 10 meters in 3 seconds. what is the power of the wind?