Which kind of air front forms when a warm air mass meets the area of a cooler air mass? A. stationary front B. cold front C. warm front D. cold occluded front E. warm occluded front

What is an error in a lab mean?

What is the major source of energy for humans

A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) how long (in seconds) does it take her to reach a speed of 2.00 m/s?

What happens to the amount of energy of a wave as the frequency increases

How much force is needed to slow down a 15 kg car traveling at 60 m/s to 15 m/s in 10 seconds?

You need to design a capacitor capable of storing 3.0 10-7 c of charge. at your disposal, you have a 100 v power supply and two metal plates, each of area 0.490 m2 each. what is the limit of the separation of the plates? mm

Which of the following statements is true regarding the use of refrigerants? a. if your equipment is recovery only, refrigerant that is removed from vehicles should be poured down the drain b.

When would the velocity of a wave traveling in a medium change? A - only if a property of the wave changes B - only if a property of the medium changes C - if a property of both the wave and the medium changes D - never

If the moon did not have an atmosphere what would happen to it

a 2.0 kg mass moving to the east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0 kg mass. how much kinetic energy is lost during