Jesse wants to know how well a particular brand of car wax protects his car from dirt. Which of the following is a variable that must be kept constant?

a. The use of the car wax

b. How dirty the car gets

c. The kind of car

Which would ultimately cause the armature in an electric motor to spin?

A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a

Why would it require greater force to start a refrigerator moving than to start a dog moving?

Differentiate between umbra and penumbra

A 10N force and a 50N force act in opposite directions on a 4 kg object. What is the acceleration? (how did you do it)

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method