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please be clear for full credit

Safari File Edit View History Bookmarks Window Help CI, Tue 6:53 PM Q 2120 Homework-9 VA http://www.webassign.net/web/student/Assignment-Responses/submit?dep 8735566 Co bulged disc O Question on...cminds.com otatoes Pl...ome Recipes peanut butte...ing) Recipe Questions Verified W sneaker Ni and Shoes Body build om Frequently ...d 2120 Homework-9 Physics Magnetic Field Generat... Please Be Clear For Full Credit C... My Notes I Knight 33.046 6. +-5 points You've decided to make a magnetic projectile launcher for your science project. An aluminum bar of length L slides along metal rails through a magnetic field B. The switch closes at t 0 s, while the bar is at rest, and a battery of emf bat starts a current flowing around the loop. The battery has internal resistance r. The resistance of the rails and the bar are effectively zero Figure P33.46 (a) Show that the bar reaches a terminal velocity term and find an expression for v (Do this on paper. Your instructor may term. ask you to turn in this work.) This answer has not been graded yet. (b) Evaluate vterm for Ebat 1.0 V, r 0.10 2, L 5.4 cm, and B 0.65 T. m/s

Explanation / Answer

expression for induced emf e = lvB

so Vterm = e/LB

b. Vterm = 1/(0.054*0.65)

Vterm = 28.49 m/s

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