estimation

That expression doesn't look nice, but at least now the energy calculation is in terms of things that we actually…

There are three forces acting on the debris. First, there's the downward-pulling gravitational force (Fg) due to…

There's your pi. In fact, you can measure the mass, period, and spring constant independently and use this to…

No one wants to deal with that many interactions. Instead, in physics we treat the ball as one thing—and that's…

OK, a couple of quick points. This is just the surface temperature of the Earth. Since the light from the sun just…

A few weeks ago, Sports Illustrated tweeted this video of Golden State Warriors point guard Steph Curry that…

The answer explains why electric cars are everywhere but electric aircraft are still a novelty. Stay connected…

Now, what if I move outside this sphere? It turns out that the gravitational field due to a spherical distribution…

Really, the only difference is that this is a downward-curving path with the center of this circular curve below…

Let's consider an example with an imaginary planet. In this solar system, the planet completes one orbit around its…