Physics, 06.10.2019 13:00 andresduenas72
The air temperature surrounding an icy windshield is 0ºc. the driver turns on the defroster and the ice melts. which of the following is true?
a. the ice absorbed chemical energy to produce a chemical change.
b. the ice absorbed heat energy to produce a chemical change.
c. the ice released heat energy to produce a physical change.
Answers: 2
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Why does a collision with an airbag cause less damage than a collision with a steering wheel
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Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?
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Physics, 23.06.2019 02:50
Adielectric-filled parallel-plate capacitor has plate area a = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant k = 3.00. the capacitor is connected to a battery that creates a constant voltage v = 15.0 v . throughout the problem, use ϵ0 = 8.85x10-12 c2/n.m2 . find the energy u1 of the dielectric-filled capacitor.
Answers: 2
The air temperature surrounding an icy windshield is 0ºc. the driver turns on the defroster and the...
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