Physics

the total change in the internal energy of a system is the sum of the energy transferred as and/or .
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increasing the turns or loops of wire on the rotating armature of a generator would cause a(n) ? output of the generator.
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2. according to our equations, what should be the relationship between the total current and the currents passing through each resistor? does your data show this relationship
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imagine that powerful telescopes in the future give us a truly representative sampling of all the stars in the sun's cosmic neighborhood. where on the h-r diagram would most of the stars in our immediate vicinity lie?
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at what angle relative to the incoming direction is the ray reflected from the first interaction with the surface of the diamond?
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some waas equipped receivers provide vertical guidance associated with a gps stand-alone approach. does that make it a precision approach?
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PLEASE HELP WILL MARK BRAINLIEST!! A 4.0-kg mass is moving to the right at 3.0 m/s. An 8.0 kg mass is moving to the left at 2.0 m/s. If after collision the twomasses join together, what is their velocity after collision?O-0.33 m/sO-0.20 m/sO +1.4 m/sO +2.3 m/s
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. a solid ball of radius a and total charge q has a constant charge density throughout its volume. a. what is the potential at the centre of the ball relative to the potential at infinity? b. how much charge should the ball contain if a
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Please help me with this physics question
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a transformer has 351 turns in the primary coil and 115 turns in the secondary coil. a. what kind of transformer is this (step-up or step-down)? b. by what factor does it change the voltage? c. by what factor does it change the current?
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are two particles moving away from an observer in opposite directions at light speed traveling at twice the speed of lioght?
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calculate the time it takes for the voltage across the resistor to reach 10.0 v after the switch is closed.
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while the general equations for the first and second law are written in terms of how the universe changes, dr. laude's preference is that we quickly rewrite them to reflect changes in what?
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piezoelectricity is a property where quartz crystals vibrate 100,000 times a second if heated to 100 degrees celsius. group of answer choices true false
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When a disrupted part of a wetland ecosystem is left alone so that nature can help restore it to what it once was, what are people counting on occurring? explain..
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a point charge of 9.00 109 c is located at the origin. how much work is required to bring a positive charge of 3.00 109 c from infi nity to the location x 30.0 cm?
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how many minutes will it take a car to travel 733 miles if the car is moving at a constant speed of 45mph
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the first edition of this textbook came out in 1993. why have the authors had to completely rewrite this chapter on planetary system formation?
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A pumpkin with a mass of 3.0 kg is launched from a catapult at an initial height of 3.5 meters off the ground, with an initial speed of 16.2 m/s. What height is the pumpkin at when the speed is half its initial speed? Round your answer to 2 decimal places.
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you have two flat metal plates, each of area 2.00 m2, with which to construct a parallel-plate capacitor. if the capacitance of the device is to be 1.00 f, what must be the separation between the plates?
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Work Energy Theorem Question: You apply 50 N to a 10 kg object to cause it to move from rest to 2.5 m/s. What distance was the object moved?
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a different guitar string makes 7680 oscillations in 30 seconds. what is the frequency of the sound waves that it creates?
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Coulomb's Law is a mathematical representation of the electric force between two objects. When solving for electric force, a student gets a negative answer. What does this indicate about the two objects?They are oppositely charged and attracted to one anotherThey have like charges and attracted to one anotherThey are oppositely charged and are repulsed by one anotherThey have like charges and are repulsed by one another
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how many turns of wire would be on a solenoid carrying a current 4.2 a if the solenoid is 15 cm in diameter, 247 cm long, and the field at the center is 2.7 x 10-3 t? n
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