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To answer this question, we need to think about 3 things: interference, phase and path difference

In the experiment, we have monochromatic light (from a laser) going through two slits and then brig...

Firstly, I would start by drawing a diagram of the system on the whiteboard, showing the object attached to the string, and the string at a fixed point. I would show using arrows that the object was rotat...

Using the formula for gravitational attraction between the Moon/Earth and a test mass, m. We determine F_E = (G*M_E m)/(r_E² ), F_M = (GM_M<...

Consider first what happens when the rocket travels with constant velocity. Constant velocity implies that there are balanced forces (or indeed no forces) acting on the rocket. This is Newtons 1st Law. We...

We first build an intuition for exactly what acceleration is and what we expect to happen. In the uniform gravitational field approximation, we assume h to be much less than the radius of the Earth. There...