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Suppose that you wish to fabricate a uniform wire out of 0.950 g of copper. Assume the wire has a resistance R = 0.600 ?, and all of the copper is used.
(a) What will be the length of the wire?
m
(b) What will be the diameter of the wire?
µm
Moment of inertia Wheel If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72rev/s, what is the magnitude of the frictional torque
The skater farthest out has a mass of 80.0 kg and is 6.40 m from the pivot. He is skating at a speed of 6.50 m/s. Describe the magnitude of the centripetal force that acts on him.
If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration?
A nonconducting spherical shell of inner radius R1 and outer radius R2 has a uniform volume charge density ?. find the total charge on the shell
you rub your hand across a small surface section of a pillow. The section of pillow acquires a net charge of -9.4 muC, Determine the net charge on your hand
A diver releases an air bubble of volume 2.2 cm3 from the depth of 10 m below the surface of a lake, where the temperature is 7°C. What is the volume of bubble when it reaches just below the surface of the lake, where temperature is 25°C.
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 42.3 J and a maximum displacement from equilibrium of 0.259 m, Find the potential energy stored in the spring when x = 0.160 m
A car travels at a speed of 29 m/s around a curve of radius 67 m. What is the net centripetal force required to keep the car from skidding sideway.
Two capacitors are connected in series. Let 3.40mF be the capacitance of first capacitor, Calculate the potential difference across each capacitor
Sarah throws a ball too hard so it is over Julie's head when it reaches Julie's horizontal position, What is the speed of the ball when it leaves Sarah's hand
What provided the added kinetic energy? None of these is correct. the momentum of the platform the man moving the weights further away from his body the man pulling the weights closer to his body
A sonar device makes a soundwave in the air with a frequency of f1 = 61 Hz. What is the frequency of the sound wave created
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