A rock is dropped (from rest) off a bridge over the Chicago River. The falling rock accelerates at -7m/s2. If the rock falls down 300m, how long did it take between being dropped and hitting the ground.

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

You can decrease the resistance of a length of wire by

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters