PLEASE HELP IT IS TIMEDD What was the average velocity of the volcanic plume as it travelled from Montserrat to Indonesia?

a. 708 km/h
b. 22 667 km/h
c. 39 km/h
d. 944 km/h

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)