Which of the following describe the earth's magnetic declination? the angle between earth's magnetic field and earth's surface earth's magnetic field strength at the equator the tendency for the earth's field to reverse itself the angle between true north and north indicated by a compass

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?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car