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Consider the circuit shown in the figure. Suppose the four resistors in this circuit have the values R1= 11Ω, R2= 6.7Ω, R3= 7.7Ω, and R4= 15Ω, and that the emf of the battery is E= 18V
A. Find the current through each resistor using the rules for series and parallel resistors.
B. Find the current through each resistor using Kirchhoff's rules.
a vertical scale on a spring balance reads from 0 to 190 . the scale has a length of 14.0 from the 0 to 190 reading. a
A flint-glass prism is made in the shape of a 30 degree-60 degree-90 degree triangle. Red and violet light are incident on the prism at right angle to it's vertical side. The index of refraction n red= 1.66, n violet = 1.70. What angle does each r..
An object is placed 100 cm in front of a diverging lens of focal length -25 cm. A converging lens of focal length 33 1/3 cm is placed 30 cm past the first lens. What is the lateral magnification of this system of lenses? Show work for full credit.
Consider the same three models for all positive time t. Will the ordering in part (c) remain the same for all t? If not, how will it change?
The Moon attracts the ocean on the side nearest it, creating a bulge. What causes the bulge on the opposite side of the Earth that results in there being two daily high tides? What is the difference between a spring tide and a neap tide?
During each cycle a reversible engine absorbs 1450 Joule of heat from a high temperature reservoir and performs 1200 Joule of work. Find how much heat is exhausted to the low temperature reservoir
A wire of resistance 7.0 isconnected to a battery whose emf is 2.0 V and whose internal resistance is 1.0. How much energy appears in the wire as thermal energy in that time
The siren of a police car atrest emits a predominant frequency of 1600 Hz and the police car isovertaking you from the rear, at a speed of 200 km/h. What frequency do you hear initially
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 151 N on the wire. The left section of the wire makes an angle of..
A battery with an emf of 1.5 V and a 12 Ω resistorare the only two components in a circuit. You measure the current flowing through the circuit to be 0.090 A. What is the internal resistance of the battery?
An alpha particle (mass 4 u) experiences an elastic head-on collision with a nucleus (mass 192 u) that is originally at rest. (The symbol u represents the atomic mass unit.) What fraction of its original kinetic energy does the alpha particle lose?
A steel rod (ρ = 7860 kg/m3) has a length of2.40 m. It is bolted at both ends between immobile supports. Find the tension that develops when the rodloses 3230 J of heat
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