Which requires more work, carrying a 420 N knapsack up a 200 m hill or carrying a 210 knapsack up a 400 m hill? Why?

Which state of matter has a define shape and definite volume Gas Plasma Solid Liquid

The potential difference in a simple circuit is 12 V and the resistance is 23 Ω. What current flows in the circuit? Answer in units of A

The headwater of three different river systems are also found in Wyoming. Identify these three river systems.

Why do clothes often cling together after tum - bling in a clothes dryer? air pressure?

Solar energy is converted into what energy

Acceleration is best defined as the rate of change of blank of an object

Zirconium has an atomic number of 40. How many neutrons are there in an isotope of zirconium-92?

If a glass is knocked off of a table that is 1.4m tall, how long does it take for the glass to hit the ground?

Imagine riding On a merry-go-round at the center. As you walk to the outer edge, the merry-go-round slows in order to conserve angular momentum. True or false?

17. (a) Will the electric field strength between two parallel conducting plates exceed the breakdown strength for air (3.0*106 V/m) if the plates are separated by 2.00 mm and 5.