Blue light waves have more energy than red light waves. Which of theses situations most likely produces a photoelectric effect? You may assume that the same metal is used in each situation. Check all that apply. -shining dim red light on a strip of metal
-shining bright red light on a strip of metal
-shining dim blue light on a strip of metal
-shining bright blue light on a strip of metal

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius