Which is an inorganic compound?
a. sample a contains aluminum, hydrogen, and oxygen.
b. sample b contains carbon, hydrogen, and bromine.
c. sample c contains carbon, hydrogen, and nitrogen.

What is the radius of the circular path ofa charged particle in a magnetic field?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

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.)