Usable energy is lost each time energy is converted to another form of energy.

true or false

Atoms in a stays in a fixed position I have no freedom to move

Why would a large amount of hot water feel hotter than a small amount of hot water

Millikan's oil-drop experiment measures the charge on individual oil drops. Why would you try to set the electric field force on a drop equal to the gravitational force on that drop?

Select the correct answer. Which statement is true? OA. The speed of sound in air is inversely proportional to the temperature of the air. OB. The speed of sound in air is directly proportional to the temperature of the air. OC.

1. Evaluate the evolution of Walmart's marketing campaign and tagline over the years. 2. What does the company continue to do well? 3. What are the pros and cons of its most recent strategic marketing plan?

Describe a process that converts chemical energy to thermal energy

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. Since a lot of damage is done on the car : Select one: a. the force on the truck is smaller than the force on the car. b.

Acceleration can be best described as: The ability of an object to stay still. The ability of an object to speed up. The ability of an object to stop. The ability of an object to slow down.

A carnot engine rejects 80 mj of energy every hour by transferring heat to areservoir at 10°c. determine the temperature of the high-temperature reservoir and the power produced if the rate of energy addition is 40 kw.

When monochromatic light passes through the interface between two unknown materials at an angle θ where 0∘<θ<90∘, no changes in the direction of propagation of light are observed. What can be said about the two materials? A.