Jill ran directly toward school at a constant velocity for 14 seconds. She ran 49 meters in that time. What was her velocity?

Heat from the sun reaches earth to a. radiation b. convection c. conduction

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l