If you push a box a distance of 2000 meters with a force of 1 newton, how many calories have you used

For a mass oscillating on a spring at what positions are (a) velocity and (b) acceleration of the mass have maximum valeus?

A certain brand of hot dog cooker works by applying a potential difference of 120 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced. The current is 11.

Which situation is NOT the result of an unbalanced force acting on an object? A. an object speeds up B. an object maintains speed C. an object changes direction

Spring tides are the lowest of the year true or false

Do photons travel in waves

Which medium below conducts sound the fastest? A. a wall B. Steel C. Plastic D. Cardboard

Fariza wears a red hat in her school play. On stage, she is lit by a spotlight shining only green light. When our eyes receive no light from an object, it looks black. Explain why Fariza's hat looks black on stage.

In a chemical reaction, one element replaces another element in a compound to form a new substance. Which of the following best describes this type of chemical reaction? Combustion Neutralization Double Replacement Single Replacement

If the Earth's crust contained twice as much iron as it does, would atmospheric oxygen buildup have been slowed down or sped up during the past 2.

Which of the following statements is true? A. Energy can change from one form to another. B. Matter and energy do not interact. C. Energy cannot be stored. D. Energy does not transfer from place to place.