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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In order to avoid heat exhaustion, you should drink fluids before, during, and after your workout. True False

A flashlight bulb operating at a voltage of 14.4 V has a resistance of 11.0 Ω. How many electrons pass through the bulb filament per second (e = 1.6 ' 10-19 C) ? (Give your answer to two significant figures)

The earth's energy budget details the energy resources that people use. true or false

While running these tests, crall notices a similarity in the velocity measured at the ground independent of whether the tennis ball is thrown upward or downward.

Name 2 things that net force acts upon.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.

Energy transformations in a bouncy house

High voltage power is often carried in wire bundles made up of individual strands. In your initial post to the discussion, discuss the forces on the strands of wire due to the current flowing through them.

The climate of an area is based on A) Rivers and lakes B) natural resources. C) mountain and valleys. D) Precipitation and temperture

California has been spending money to establish desalination plants. The state is preparing for