hree force vectors are added together. One has a magnitude of 9N, the second one a magnitude of 18N, and the third a magnitude of 15N. What can we conclude about the magnitudeof the net force vector

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant