Physics
, 22.06.2019 21:00 Jxsolvez
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
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Physics, 21.06.2019 14:00
Identify two factors that determine the rate of stream erosion
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Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
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Physics, 22.06.2019 14:00
Ascientific blank must be testable and capable of being proven false?
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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