Amouse spots an owl flying 10.1 feet over a nearby bush. the mouse is 30 feet away from the bush, and it sees the owl at a certain angle of elevation. which trigonometric equation can be used to solve for x, the angle of elevation from the mouse to the owl?

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

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?

What are the north and south poles of a solenoid change with?