A squirrel runs 15.0 m [N] and then turns and runs 8.0 m [W]. What is the squirrel's displacement? 1. 17 m [W 28° N]
2. 17 m [W 62° N]
3. 23 m [W 28° N]
4. 23 m [W 62° N]

How much work would be needed to raise the payload from the surface of the moon (i. e., x = r) to an altitude of 5r miles above the surface of the moon (i. e., x = 6r)?

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.

Asystematic approach to problem solving is called a (an)