How long does it take a car traveling at 50 mph to travel 75 miles? Use one of the following to find the answer.

In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.