What does the symbol F in the formula indicate that Chang needs to do? He needs to find the net force acting on the object in a direction. He needs to use only forces acting in the direction of motion. He needs to combine the horizontal and vertical forces. He needs to multiply the horizontal and vertical forces.

What is a good example of instantaneous speed

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.