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What is the emf of a battery that does 0.60J of work to transfer 5.0×10-2 C of charge from the negative to the positive terminal?
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Question: Point charges q1 = +2.00 (mu)C and q2 = -2.00 (mu)C are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty c ...
Question: A steel cable with mass is lifting a girder. The girder is speeding up. Part A Draw a free-body diagram for the steel cable. Draw the vectors starting at the black dots. The location and orientation of the vect ...
Question: An outfielder throws a 0.150 kg baseball at a speed of 40.0m/s at an intial angle of 30.0 with respect to the horizontal. a) what is the kinetic energy of the baseball at the highest point of its motion? b) wha ...
Question: A resistor with resistance R and a capacitor with capacitance C are connected in series to an AC voltage source. The time-dependent voltage across the capacitor is given by VC(t)=VC0 sin t.If R = 3k, C=100pF, V ...
Question: The radius of the earth's very nearly circular orbit around the sun is 1.5x10^11m. Find the magnitude of the earth's velocity as it travels around the sun. Assume a year of 365 days. Find the magnitude of the e ...
Question - A stretched string has a mass per unit length of 5.00 g/cm and a tension of 10.0 N. A sinusoidal wave on this string has an amplitude of 0.12 mm and a frequency of 100 Hz and is traveling in the negative direc ...
Question: An old-fashioned single-play vinyl record rotates on a turntable at 38.0rpm . What are (a) the angular velocity in rad/s and (b) the period of the motion? The response must be typed, single spaced, must be in t ...
Question: A researcher observes hydrogen emitting photons of energy 1.13eV . What are the quantum numbers of the two states involved in the transition that emits these photons? Express your answers as integers separated ...
Question: The planet Mercury's surface temperature varies from 700 K during the day to 90 K at night. Part 1: What is the temperature in °C during the day? Part 2: What is the temperature in °C at night? Part 3: What is ...
Question: A proton (with a rest mass m=1.67Ã-10âˆ'27kg) has a total energy that is 4.00 times its rest energy. a. What is the kinetic energy Ek of the proton? Express your answer in billions of electron volts to three si ...
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