What statement best describes what it means to maximize your efforts in sports? a. giving your best effort only when losing b. ignoring mistakes and continuing to play c. keeping a good sense sense of humor d. none of the above

The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?