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A wire has a density of 6.4g/cm3 , a gram molecular weight of 62.7g/mole , and 1e-/atom .
What is the number of carriers/volume (n) for this wire?
What is the current density for this wire if the current is 5.7Amp , and the radius is 8x10-4m ?
What is the drift velocity for the electrons in this wire?
What is the time between collisions if the resistivity of the wire is 1.58x10-8\Ohmxm ?
Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of..
A wire that has a resistance of 5 is passed through an extruder so as to make it into a new,What is the resistance of the new wire
Determine the wave speed on the string and determine the speed of sound from the data given.
A small postage stamp is placed in front of a concave mirror (radius = 1.1 m), such that the image distance equals the object distance. (a) What is the object distance
The motion of a 25.0 kg mass on the end of a string is uniform circular motion. The magnitude of the tangential velocity of the mass is 5.0 m/s, Calculate the angular momentum of the mass
In a physics laboratory experiment, a coil with 190 turns. Each turn of the coil encloses an area of 7.0 cm2. Obtain the magnetic flux through one turn of the coil before it is rotated
A volume of nitrogen gas has a density of 1.15 kg/m3 and a pressure of 1.07 atm. Find the temperature of the gas and the rms speed of its molecules
A speedboat starts from rest at 2.01m/s2 for 7.00s. At the end of this time, the boat continues for an additional6.00 s with an acceleration of +.518 m/s2. Followingthis, the boat accelerates at -1.49m/s2 for 8.00s.
Calculate the cost of running the light bulb you used in lab at 12 volts for one year. Calculate the cost of a MacBook pro labtop to be left on for one year
Sally travels by car from one city to another. She drives for 26.0 min at 74.0 km/h, 44.0 min at 48.0 km/h, Determine the total distance traveled
You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. Estimate the minimum amount of gasoline you should take on your trip
A horizontal meter stick, 100 cm long, supported at the50-centimeter mark has a mass of 500 grams hanging from it at the20-centimeter mark and a 300-gram mass hanging at the 60-centimeter mark
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