Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. What force restores the spring to its original shape?

a. tension

b. elastic

c. drag

d. applied

What are the main functions of the pituitary gland

Which of the following describe a neutron? check all that apply A. neutral charge B. mass number of 1 C. positive charge D. atomic number of 0

Mutt and Jeff are running along a path each pushing a cart loaded with rocks. If Mutt's wagon has a mass two times greater than Jeff's and they want to stay together, arriving at their destination at the same time, what must happen?

The specific heat of substance X is 200 J/g*C, how much heat is required to change the temperature of 2.0 grams of substance X from 35 degrees Celsius to 55 degrees Celsius?

It is safe to handle food that requires no additional preparation before service with:

In a baseball game, a batter hits the 0.150-kg ball straight back at the pitcher at 180 km/h. If the ball is traveling at 160 km/h just before it reaches the bat, what is the magnitude of the average force exerted by the bat on it if the collision

The long, deep canyon running along the equator is called

Which of the following explains what is meant by the statement "scientific knowledge is universal"? The rules cannot be determined. The rules only apply in certain parts of the universe. The rules depend on experiments from different countries.

The force of friction on a sliding object is 10n. the applied force needed to maintain a constant velocity is:

Which of the following methods of improving air quality does not require advanced technology?