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BIO Doughnuts: Breakfast of Champions! Atypical doughnut contains 2.0 g of protein, 17.0 g of carbohydrates, and 7.0 g of fat. Average food energy values are 4.0 kcal/g for protein and carbohydrates and 9.0 kcal/g for fat. (a) During heavy exercise, an average person uses energy at a rate of 510 kcal/h. How long would you have to exercise to “work off” one doughnut? (b) If the energy in the doughnut could somehow be converted into the kinetic energy of your body as a whole, how fast could you move after eating the doughnut? Take your mass to be 60 kg, and express your answer in m/s and in km/h.
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Chapter 17 Solutions
University Physics with Modern Physics (14th Edition)
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- Number There are four charges, each with a magnitude of 2.38 μC. Two are positive and two are negative. The charges are fixed to the corners of a 0.132-m square, one to a corner, in such a way that the net force on any charge is directed toward the center of the square. Find the magnitude of the net electrostatic force experienced by any charge. ips que Mi Units estic re harrow_forwardTwo long, straight wires are separated by distance, d = 22.0 cm. The wires carry currents of I1 = 7.50 A and I2 = 5.50 A in opposite directions, as shown in the figure. Find the magnitude of the net magnetic field at point (B). Let r₁ = 12.0 cm, r2 = 7.00 cm, and r3 = 13.0 cm. Solve in T. 12 d A √3arrow_forwardThank you in advance, image with question is attached below.arrow_forward
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