A ball with a mass of 2 kg is swinging in a horizontal circle of radius 20 cm. If thestring can sustain a maximum tension (T) of 500 N, what is the maximum speed theball can reach before the string breaks

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.

Explain vector addition, triangle method and parallelogram method

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine