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The following questions ask you to solve problems involving topics we've covered this week. Work each problem, and post an image of your work for each question, along with a brief description of how you solved the problem. Your work should include a step-by-step solution to the problem.
Question 1
Aluminum has a resistivity of 2.7*10-8 Ωm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area of 2*10-4 m2?
Question 2
A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?
Question 3
A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current will flow through the circuit?
Question 4
A 30 ohm resistor is connected to a 1.5 V battery. How much power is dissipated by the resistor?
Question 5
Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed tocollide into a tumor, killing the malignant cells. Suppose a protonaccelerator is 7.3 m long andmust accelerate proton..
For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg.
A 16 mH inductor is connected across an AC generator that produces a peak voltage of 11V. What is the peak current through the inductor
An arrow is launched from a height of 1.21 m above the ground with an initial velocity of 48.3 m/s, What will be the maximum height the arrow will reach during its trajectory
The capacitance of three capacitance are 10 ?f, 15 ?f and 20?f , connected in series of combination by a copper wire. what is the charge on each capacitor
A typical capacitor in an MP3 player has C = 0.10µF. If a charge ±4.3µC is placed on the plates, what is the voltage across the capacitor?
imagine that you have a 510 , a 860 , and a 1.1 resistor. What is the maximum resistance you can obtain by combining these.
A certain transformer has 500 turns on the primary. If 10 volts are applied to the primary, what was the current in the primary
Light of wavelength 60nm illuminates a hydrogen atom in an excited state. What energy level was the electron in initially
When light of wavelength 380 nm falls on a cesium surface, electrons having a maximum kinetic energy of 1.13 eV are emitted. find the frequency corresponding to the cutoff wavelength
Water flows over a section of Niagara Falls at the rate of 1.1 x10^6 kg/s and falls 55 m. How much power is generated by the falling water.
A vertical container with base area measuring 14.0 cm by 17.0 cm isbeing filled with identical pieces of candy, each witha volumeof 54.0 mm3 and a massof 0.0202 g.
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