Find out the length of the wire
A wire carries a current of 0.59 A. This wire makes an angle of 68° with respect to a magnetic field of magnitude 4.0 × 10-5 T. The wire experiences a magnetic force of magnitude 8.1 × 10-5 N. What is the length of the wire?
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Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.087 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside?
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Shorney Construction Company bids on projects assuming the mean idle time per worker is 72 or fewer minutes per day. a sample of 30 construction workers will be used to test this assumption. Assume that the population standard deviation is 20 minu
A can of soft drink at room temperature is put into the refrigerator so that it will cool. Would you model the can of soft drink as a closed system or open system? Explain.
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An air-standard dual cycle has a compression ratio of 9. At the beginning of compression, p1=100kPa, T1=300K, and V1=14L. The heat addition is 22.7 kJ, with one half added at constant volume and one half added at constant pressure.
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