Which does not contain a lens?

eyeglasses

mirror

microscope

a floodlight

Which of the following is not a requirement of a practical fuel? A. It must contain a large amount of stored energy. B. It must occur in abundance in nature or be easy to produce. C. It must be made up of elements that combine easily with oxygen. D.

If there were no action-reactionforces in effect, describe what would happen as you walk down a sidewalk?

What is the density of lead (in g/cm3) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 218.9 g? express your answer using two significant figures?

An object traveling at a constant speed but with a changing direction is accelerating. a. True b. False

What are 6 different types of friction

What's the transmission of heat requiring the movement of a liquid or a gas is?

Wich section of a business plan should come first but be written last?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table