A Carnot engine takes 3000 J from a reservoir at 600 K, does some work, and discards some heat to a reservoir at 300 K. What is its efficiency?

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Hey! My name is Byron. I currently live in El Paso, Texas and feel like I really don't fit in. I hate the climate AND the culture.

An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it. what is the amount of the force

The temperature of a liquid is 75°F. What is its temperature in °C? (°C = (°F - 32) x 5/9 and °F = °C x 9/5 + 32) A. 75°C B. 348°C C. 24°C D. 167°C

A greyhound at a racetrack can run at a speed of 16.0 m/s. What is the KE of a 20.0 kg greyhound as it crosses the finish line?

The prefix milli - means one thousandth, or 10 - 3. how many milliseconds (ms) are in 6.7 seconds?

Compare the weight of a mountain climber when she is at the bottom of a mountain with her weight when she is at the top of the mountain. In which case is her weight larger? a. Both are the same. b. She weighs four times as much at the top. c.

You recently won a bicycle race that was 100 km in distance. The race took you two hours to complete. What was your average speed?

A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.

A sheet of paper can be withdrawn from under a container of milk without toppling it if the paper is pulled A. gravity pulls very hard on the milk carton. B. the milk carton has very little weight. C. the milk carton has inertia. D.

What is concave mirror