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A 15.0-mlength of wire consists of 6.0mof copper followed by 9.0mof aluminum, both of diameter1.3mm.A voltage difference of 95mVis placed across the composite wire. The resistivity of copper is1.68×10-8Ω⋅mand the resistivity of aluminum is2.65×10-8Ω⋅m.
Part A: What is the total resistance (sum) of the two wires?
Part B: What is the current through the wire?
Part C: What is the voltage across the copper part?
Part D: What is the voltage across the aluminum part?
A solid sphere of weight 8.00 lb rolls up an incline with aninclination angle of 30.0 degrees. How far does the sphere travel up the incline
a smooth 2-kg collar is attached to a spring having a stiffness of 3 nm and an unstretched length of 0.75m. if the
At 28.5°C, an aluminum ring has aninner diameter of 9.0000 cm and abrass rod has a diameter of 9.0500cm. If only the ring is heated, what temperature must itreach so that it will just slip over the rod?
In a game of basketball, a forward makes a bounce pass to the center. What horizontal distance does the ball cover before bouncing
Two point charges of equal magnitude are d = 8.0 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of E =45 N/C. Find the magnitude of the charges
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1. Explain how you would evoke a startle response (reflex) using classical conditioning in an unsuspecting friend using an abnormal signal (produces the reflex).Describeyour friend's reflex response and a signal that will produce that reflex respo..
A sealed cubical container 17cm on a side contains three times Avogadro's number of molecules at a temperature of 16°C. Find out the force exerted by the gas on one of the walls of the container.
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determine the heat work done and changing enthalpy in each processes and complete cycle1. adiabatic process v goes 12
A ball whose mass is 1.3 kg is suspended from a spring whose stiffness is 3 N/m. Suppose this apparatus were taken to the Moon, where the strength of the gravitational field is only 1/6 of that on Earth. What would the period be on the Moon
Using a 673-nm wavelength laser, you form the diffraction pattern of a 0.109-mm wide slit on a screen. How far is the screen located from the slit
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