An object is solely influenced by the force of gravity and follows a parabolic path such as a rock thrown into the air. This is known as what type of motion?
A)
circular
B)
linear
C)
periodic
D)
projectile

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

Argon, neon, and xenon are examples of

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •