1) Explain the difference between scientific theories and laws.

10. Almost three-quarters of household energy use is due to the following: • home furnaces and air conditioners • water heaters • washers and dryers • lighting For each of these uses of energy, give two reasonable ways to reduce household energy

Which object has the least momentum? object a: m = 1 kg, v = 100 m/s object b: m = 10 kg, v = 12 m/s object c: m = 0.5 kg, v = 1000 m/s object d: m = 100 kg, v = 2 m/s?

What is a calorimeter used to measure?

Which of the following is NOT a factor that controls temperature? a. longitude b. cloud cover c. cloud cover d. altitude

What is a non-example of an inverse relationship

If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

What connection does salt have with acids and bases?

All of the following are types of telescope except

In a longitudinal wave moving along a spring, what are areas where the coils are farthest apart called?