A tension of 35.0N is applied downward on a 2.50kg mass. What is the acceleration of the mass? A. -59.5 m/s2
B. -14.0 m/s2
C. -4.20 m/s2
D. -23.8 m/s2​

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

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Write the equation for momentum, first using symbols for the variables, then using words for the variables.