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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 muon and an antimuon are moving in opposite directions with velocities of -0.7 c and 0.7 c respectively. when they
An electron is accelerated from rest by a potential difference of 387 V. It then enters a uniform magnetic field of magnitude 161 mT with its velocity perpendicular to the field. Compute (a) the radius of its path in the magnetic field and (b) the sp..
A 60 kg trunk is pushed 4.0 m at constant speed up a 30° incline by a constant horizontal force. Calculate the work done by the weight of the trunk
A record turntable rotating at 33(1/3)rev/min slows down and stops in 21 s after the motor is turned off. How many revolutions does it make in this time
Using and Atwood machine with masses m1 and m2, at first with m1 a distance 2h above m2, what is the speed of either mass they pass each other? Make use of energy to solve (hint they cross halfway between the starting positions of the two masses).
An electric scooter has a battery capable of supplying 140 Wh of energy. If friction forces and other losses account for 60 percent of the energy usage, what altitude change can a rider achieve while driving in hilly terrain, if the rider and scooter..
A parallel-plate capacitor is formed from two 2.20 cm multiplied by 2.20 cm electrodes spaced 2.0 mm apart. What is the charge (in nC) on each electrode
A small button placed on a horizontal rotating platform withdiameter 0.310 m will revolve with theplatform when it is brought up to a speed of 35.0 rev/min, provided the button is no more than0.128 m from the axis.
A series RLC ac circuit has a capacitive reactance of 55 ?, and inductive reactance of 25 ?, and a resistance of 40 ?. What is the phase angle of this circuit
How fast in kilometers per hour, must a sound source be moving toward you to make the observed frequency 5.0% greater than that observed when the source is stationary with respect to you? (Assume that the speed of sound is 340 m/s.)
A string 1.9 m long with a mass of 2.6 g is stretched between two fixed points with a tension of 80 N. Find the frequency of the fundamental on this string
the deflection plates in an oscilloscope are 10cm by 2cm with a gap distance of 1mm. a hundred volt potential
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