Imagine the following: Instead of shining laser light through 1 slit and projecting a pattern on a screen, replace the 1 slit with a circular obstacle. What do you expect to see on the screen when the laser light shines on the circular obstacle?

A. A circular shadow is at the center of the screen.

B. A circular bright spot at the shadow's center

What is work? how much work is done to move an object 0 meters?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?