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Barron's 2nd Edition PT1 Q70
Barron's Book 70) This question asks us to find the theoretical efficiency of a heat engine operating between 100°C and 500°C. This means...
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Barron's 2nd Edition PT1 Q51
Barron's Book 51) This question asks us to find the circuit which will have the brightest bulbs. The brightness of the bulbs is...
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Barron's 2nd Edition PT1 Q68
Barron's Book 68) This problem asks us to find the internal energy and the work done on a gas during an isothermal process. The problem...
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Barron's 2nd Edition PT1 Q67
Barron's Book 67) This question asks us the amount of heat needed to raise the temperature of a liquid. Since it is told that the...
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Barron's 2nd Edition PT1 Q65
Barron's Book 65) This question asks us to consider the effects on the temperature of a gas when the pressure and volume are changed. We...
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Barron's 2nd Edition PT1 Q62
Barron's Book 62) This question goes over Young's double-slit experiment and asks us which answer choice(s) will decrease the spacing...
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Barron's 2nd Edition PT1 Q59
Barron's Book 59) This problem asks us to describe the resulting image when the object is placed in front of a converging convex lens as...
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Barron's 2nd Edition PT1 Q58
Barron's Book 58) We know that the guitar string creates a wave of wavelength λ and fundamental frequency f[1]. Now we want to find the...
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Barron's 2nd Edition PT1 Q53
Barron's Book 53) The question asks us to find the induced electromotive force in the situation shown in the question. Using Faraday's...
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Barron's 2nd Edition PT1 Q52
Barron's Book 52) This question asks us to find the direction of the magnetic force acting on the object just as it enters the magnetic...
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Barron's 2nd Edition PT1 Q50
Barron's Book 50) This question asks us to find the power dissipated by R[3], the 1 Ohm resistor. Question 50 is a continuation of...
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Barron's 2nd Edition PT1 Q49
Barron's Book 49) This question wants us to find the voltage drop through the 1 Ohm resistor. If we refer back to question 48, we can...
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Barron's 2nd Edition PT1 Q48
Barron's Book 48) This question asks us to find the current through the 1 Ohm resistor. For simple DC circuits, the total current is the...
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Barron's 2nd Edition PT1 Q46
Barron's Book 46) This question asks us to find the electric potential at the origin. To do so, we can use this formula. We need to...
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Barron's 2nd Edition PT1 Q43
Barron's Book 43) This question asks us to determine what happens to the acceleration of gravity as we move 2 Earth radii away from the...
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Barron's 2nd Edition PT1 Q42
Barron's Book 42) For this question, we are given a situation where a mass is orbiting Earth. We need to find the affects of tripling the...
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Barron's 2nd Edition PT1 Q41
Barron's Book 41) For this question, we want to find the speed of the block of mass m. If we use the conservation of momentum, this...
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Barron's 2nd Edition PT1 Q39
Barron's Book 39) This question asks us to find the magnitude of the force applied for 5 seconds required to change the speed of the car...
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Barron's 2nd Edition PT1 Q38
Barron's Book 38) This question requires us to find the maximum speed of the mass after the spring accelerates it. Friction is not...
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Barron's 2nd Edition PT1 Q37
Barron's Book 37) Question 37 asks us to find the power when the mass is moved up the incline at the constant speed. The problem relates...
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