Apotter’s wheel of radius 17 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 20 rad/s.
a) what is the angular acceleration?
b) what is the linear velocity of a point on the rim at the end of the 32 s?
c) what is the average angular velocity of the wheel during the 32 s?
d) through what angle did the wheel rotate in the 32 s?

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Describe cytokinesis in plants and animals. in animals: in plants.