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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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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...
keshprad
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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