PLEASE HELP ASAP A young woman is sitting on the edge of a seesaw that is balanced on the other end. The seesaw is 10.0 m
long and the fulcrum (which acts as the pivot point) is at the midpoint of its
length. If her mass is 40.0 kg, how much torque is she applying?

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

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?