Calories used while swimming for 30 minutes type of stroke 56-kg woman 77-kg man backstroke 95 130 breaststroke 91 125 fast crawl 87 120 slow crawl 95 130 sidestroke 68 90 treading water 35 48 table 2-1 which variable mentioned in table 2-1 is kept constant? a. amount of time spent swimming b. type of swimming stroke c. number of calories used d. the person swimming

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.

Argon, neon, and xenon are examples of

If the area of a square has increased by a factor of 16, by how much has each side increased?