4. A free body diagram of a brick on an inclined plane is shown below. What is the mechanical advantage of the inclined plane?

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

Why does the liquid rise up through the dip tube when the valve is open