You drop a basketball from three different heights to see from which height the ball bounces highest on the first bounce.
1. What is the independent variable?
O The height of the ball
O how high it bounces
O how long it takes to bounce
O the type of ball
7:19 PM

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

In the haber reaction, patented by german chemist fritz haber in 1908, dinitrogen gas combines with dihydrogen gas to produce gaseous ammonia. this reaction is now the first step taken to make most of the world's fertilizer. suppose a chemical engineer studying a new catalyst for the haber reaction finds that 671 liters per second of dinitrogen are consumed when the reaction is run at 271c and 0.99atm. calculate the rate at which ammonia is being produced. give your answer in kilograms per second. round your answer to significant digits.

If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?