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24-gauge copper wire has a diameter of 0.51 mm. The speaker is located exactly 6.65 m away from the amplifier. What is the minimum resistance of the connecting speaker wire at 20 C?
Hint: How many wires are required to connect a speaker.Compare the resistance of the wire to the resistance of the speaker (Rsp = 8 Ω)
Two long, parallel wires are separated by a distance of 0.20 m and carry equal currents. There is a force of attraction per meter of 6.5 X 10-5 N/m between them. Find the magnitude of the currents in A and deterimne if they are parallel or anti pa..
Write a 1200-1500 word report on the following: What does the US-EPA consider to be hazardous waste? Are there any discrepancies in the regulations?
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^?2cm, Find its speed (vfinal) when it strikes the anode
An 1800-W heater carries a current of 9 A. How much does it cost to operate the heater for 100 min if electrical energy costs 11 cents per kWh
An 11.3 g bullet leaves the muzzle of a riflewith a speed of 570.5 m/s.What constant force is exerted on the bulletwhile it is traveling down the 0.9 m length ofthe barrel of the rifle?Answer in units of N.
One mole of ideal monatomic gas undergoes the cycle, consisting of an isothermal process AB at temperature 400 K, an isobaric process BC, Find the work done for the entire cycle
You throw a clay ball at a hockey puck on ice. The smashed clay ball and the hockey puck stick together and move slowly. Is momentum conserved in the collision ? Explain. Is kinetic energy conserved ? Explain.
A helicopter is initially moving at 9 m/s to the left. It then accelerates at 4 m/s2 to the right for 2 s. How far does it travel during the 2 s
a flat surface having an area of 3.4 m2 is rotated in a uniform electric field of magnitude e 6.1e5 nc.determine the
A closely wound, circular coil with radius 2.10cm has 830 turns. What must the current in the coil be if the magnetic field at the center of the coil is 5.00×10?2
Four point charges have the same magnitude of 2.2 x10-12 C and are fixed to the corners of a square that is8.3 cm on a side. Three of the charges are positive and one isnegative. Determine the magnitude of the net electric field that exists at the..
The charge per unit length on a glass rod is λ =-8.5 µC/m. If the rod is3.2 m long, how many excess electronsare on the rod?
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