What is the potential energy of an object that has mass of 410 kg at a height of 12m

Why is it important to use the correct number of significant digits when reporting the results of an experiment? O A. The number of significant digits indicates how many experiments you performed O B.

Which eruption was most explosive

Fred has a very detailed model of the solar system where each planet is made out of granite rock. Since his little sister really liked the model, he spent two weeks in his dad's workshop building her a Styrofoam copy.

How does sandpaper increase friction

The distance a softball is pitching from mound to the batter is

A rubber rod can be charged negatively when it is rubbed with wool. predict what happens when you rub a copper rod with wool

A copper rod is 0.450 m long. Heat is added to the rod until it expands by 0.00130 m. How much did the temperature change? (Unit=C)

What often happens to light when it travels from one medium to another

60,000 is 100 time as much as

A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloon in cm3.