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Solve the all parts of given problem:
Problem: You've made the finals of the Science Olympics! As one of your tasks, you're given 1.3g of copper and asked to make a cylindrical wire, using all themetal, with a resistance of 1.2 ohm.
Part I: What length will you choose for your wire?
Part II: What diameter d will you choose for your wire?
Please show all work to solve the above problem.
A solid spherical target which weighs 10 kg and has a radius of 25 cm rests on a frictionless table. What is the angular speed of the sphere after the collision
A 50.0-Ω resistor is connected to a 30.0-μFcapacitor and to a 60.0-Hz, 100-V (rms) source. Find the power factor and the average power delivered to the circuit
three charges are located at the corners of a square of side a. the charge q is located at the origin while charges -q
an 82 kg logger is standing on a stationary 360 kg log floating at rest in a pond. the logger begins to walk along the
the internal energy of the gas in a gasoline engines cylinder decreases by 205.1 J. if 65.0 J of work is done by the gas, how much energy is transferred as heat
A man pushes a lawn mower on a level lawn by a force of 215 N. If 31% of this force is directed downward, and 50 W of power is expended in pushing the mower 5.8m, how much time is spent in pushing the mower this distance?-------s
light of wavelength 500 nm illuminates a 0.50 mm-diameter hole. a screen is placed 6.0 m behind the slit. the width of
A uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s, What is the rotational kinetic energy of the ball
How many time constants (a decimal number) must elapse before a capacitor in a series RC circuit is charged to 60.0% of its equilibrium charge?
The current in the electron beam of a computer monitor is 415 ?A. How many electrons per second hit the screen
You do 9.5J of work to stretch a spring with k=210N/m, starting with the spring unstretched. How far does the spring stretch
Heat is another word for thermal energy. Dissimilar materials at the same temperature can contain different amounts of heat.
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