For any two materials, the force required to overcome sliding friction is always larger than the force required to overcome starting friction.

a. True

b. False

When you look ahead while driving, it is best to: a. look beyond the car ahead of you b. look only at the back of the car ahead of you c. focus on the right side of your lane?

State two of Newton's three laws

The electrons can be modeled as forming a uniform shell of negative charge. What net electric field do they produce at the location of the nucleus?

If the sun disappeared what would happen to the path the planets follow?

When running a marathon what kind of energy transformation takes place

Arrange the steps of energy production in the correct order. Tiles consumption of food cellular respiration in mitochondria breakdown of starch into glucose absorption of glucose molecules creation of ATP

Hundreds of millions of years ago, all the continents on Earth were connected to form a giant "supercontinent" called Pangaea. How might ocean currents have differed during the time of Pangaea compared to today? Explain your answer.

You have a ruler that is marked to the nearest half centimeter. Which of these measurements is written with the correct amount of precision? A) 2.0cm B) 3.14cm C) 5 cm D) 100cm

What kind of information can you gather from a stars spectrum

Gamma rays are waves of energy that have no charge. a. True b. False