3. Three hockey players are fighting over a puck. One is pushing 70N south, one is pushing 40N north, and the last is pushing 40N west. You may need to use the
Pythagorean theorem to complete this problem.
e
a
90°
q? + b2 = c2
b

Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?