How does insulation in your home affect the transfer of thermal energy?

The speed of a wagon increases from 2.5 meters per second to 9.0 meters per second in 3.0 seconds as it accelerates uniformly down a hill. What is the magnitude of the acceleration of the wagon during this 3.0 second time interval?

An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called a A) fault. B) epicenter. C) foreshock. D) tectonic plate.

What is the role of neutrons in an atom? A. Neutrons provide a negative charge to the atomic nucleus B. Neutrons provide a positive charge to the atomic nucleus C. Neutrons keep protons apart so they don't repel each other D.

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to determine which block will increase its temperature the most.

Which best describes what happens in an electric generator? Motion causes constantly changing magnetic fields to induce electrical energy. Motion causes constantly changing magnetic fields to induce kinetic energy.

A water heater is operated by solar power. If the solar collector has an area of 6.39 m2, and the intensity delivered by sunlight is 550 W/m2, how long does it take to increase the temperature of 1.00 m3 of water from 19.4∘C to 72.1 ∘C?

Which of the following factors will negatively impact the rate of diffusion of a molecule? A short distance between two concentrations of the molecule A low difference in the concentration of the molecule across the media A warm environment

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?