Physics

We assume that a plane wave travels towards a wall with an opening of size D. Behind the wall, we observe wave within a cone…

A special case of interference applies when a wave interferes with a reflected wave: the two waves are automatically vibrating in phase. We consider the…

In physics, when two sets of waves of the same frequency and same or nearly equal amplitude travelling through the same medium overlap, then it…

We consider a rope [elastic string] and excite it by attaching a vibrator at one end. A transverse wave develops along the wave that is…

We are familiar with waves on water surfaces such as lakes and oceans. We observe crests and troughs travelling towards the beach at a constant…

The equation P = – ΔW/ΔV can be interpreted as the work necessary to “create” volume. Likewise, work is necessary to create surface area ΔA,…

The density of an object is defined as the ratio of mass in divided by its volume, P = m/V The unit of density is…

Example 1: A block with mass in = 0.76 kg is attached to a spring hanging from the ceiling so that the spring stretched by…

An elastic spring is attached to the ceiling. A block with mass m is attached to the spring, and the spring is stretched by the…

Example 1: At time t = 0, the displacement is x = 2.72 m, the velocity is v = —2.54 m/s, and the acceleration is…