A 9 kg object is suspended from the ceiling. The first string is measured at an angle of 50° to the ceiling and the second string is at an angle of 35° to the ceiling. Solve for both tension forces.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

What can you increase the strength of an electromagnet by

What is the increase in density of a medium due to wave travel?