Ahorizontal line above the time axis of a speed vs. time graph means an object is a) not moving b) moving at a constant speed c) moving at a constant velocity

The primary benefit of taking into account a child's interests while selecting exercise activities is that the child will a. play more willing with others b. succeed at their favorite activity c. allow parents to relax afterwards d. gain motivation to exercise select the best answer from the choices provided.

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?