a water wheel has a radius of 4 feet and the bottom of the wheel is 1 foot from the ground. one plank is painted white and it starts at the top of the wheel. the wheel is rolled forward through an angle of startfraction pi over 3 endfraction radians. how high from the ground is the white plank after this motion?

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.

It takes longer to fly an airplane against a with it

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false