A large rock falls off the edge of a cliff. Which of the following graphs best represents the rocks speed as a function of time as it falls from the cliff? Speed vs Time Speed vs Tíme (s)poods Spood(m/s) - 5 2 Time (s) Times) W. X. Speed vs Time Speed vs Time (su)poods 5 Time (s) Z. Y. CA. Z Св. Ү CC. X D. w​

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.

Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.