The needle on a compass will always point north unless it is affected by another magnetic field That is close by . Why did the compass point north for oersted first test but not during the student's test explain

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.