The Sputnik 1 satellite orbited Earth (mass = 5.98 x 1024 kg) in a circle of
radius 6.96 x 106 m. What was its
orbital velocity?
[]m/s

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

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

As the distance from a magnet increases, what happens to the magnet force?