A flight attendant who is walking 2 mph toward the nose of a plane that is traveling 500 miles per hour is moving at a combined velocity of?​

Dry ice is solid carbon dioxide that is used in the transport of food and medicine. dry ice becomes a gas at –78.5°c without becoming a liquid first.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?