The strong force between nucleons has a magnitude of approximately 2.5×104N for two nucleons whose centers are 1.0 fm apart. What is the electrostatic force between two protons this distance apart?

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?