Over all forces acting on a object after the all the forces are combined is called the

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.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

When you turn on a battery-operated device, an electrical circuit is