С C A falling raindrop reaches a constant speed
when Ú
(A)
(B)
(C)
there is no net force acting on it
the pull of the earth on the raindrop is
equal to the weight of the raindrop
the upthrust due to the air is at a
minimum
the air surrounding the raindrop
becomes saturated with water
(D)
vapour

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?