What determines the time of flight (the time it takes to reach the ground) of a ball rolling off a table? The initial horizontal velocity of the ball.

The height of the table.

The ball will always reach the ground in the same amount of time, regardless of height

or velocity.

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

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?