Which statement about the mass of a falling object is correct? A. It decreases as the object falls. B. It increases as the object falls. C. It is equal to the weight of the object. D. It stays the same as the object falls.

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.

Which statements did both aristotle and ptolemy assume? check all that apply.

An object with a speed of 10 m/s is moving in a direction of 30 degrees above the positive x-axis. the y-component of its velocity vector is most nearly