On earth, when a body is in motion, there is always to oppose the motion. a. friction c. gravity

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?