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Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
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Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
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What is the length x of the side of the triangle below? (hint: use the cosine function)
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Physics, 22.06.2019 01:30
The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation
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A concert loudspeaker suspended high off the ground emits 26.0 W of sound power. A small microphone...
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