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The heating element of a simple heater consists of a 1.9-m-long, 0.65-mm-diameter nichrome wire. When plugged into a 120 V outlet, the heater draws 7.0 A of current when hot.
(part A) What is the wire's resistance when it is hot? (in ohms)
(part B) Use your answer to part A to calculate the resistivity of nichrome in this situation. (in ohms x m)
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 228 N/m and the mass is 454 g, Determine the mechanical energy of the system
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A 15.00 block is attached to a very light horizontal spring of force constant 450 and is resting on a smooth horizontal table. Suddenly it is struck by a 3 stone travelling horizontally at 8 to the right, whereupon the stone rebounds at 2.00 horizont..
A block of mass m =2.00kg is released from rest at h=0.300 m from the surface of a table at the top of a theta=50.0 degree incline as shown below. How far from the table will the block hit the floor
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