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A 497-turn solenoid has a radius of 8.75 mm and an overall length of 12.4 cm.
(a) What is its inductance.?
mH
(b) If the solenoid is connected in series with a 2.50-? resistor and a battery, what is the time constant of the circuit?
ms
An archeological specimen containing 8.7 g of carbon has an activity of 1.8 Bq. How old (in years) is the specimen
A beam of electrons is incident on two slits separated by a distance of 2.0×10-6 m. Calculate the kinetic energy of the electrons
A spelunker is surveying a cave. She follows a passage that takes her a distance 189 straight west, then a distance 220 in a direction 45 east of south, after that a distance 280 at 30 east of north. After a fourth unmeasured displacement she find..
Brain injuries in auto accidents. Brain injuries generally occur any time the brain's acceleration reaches 100 g for even a short time. Find the maximum speed with which the car can strike the barrier without causing brain injury, using an airbag
The arm of a crane at a construction site is 14.4 m long, and it makes an angle of 40° with the horizontal. Assume that the upmost load the crane can handle is limited by the amount of torque the load produces at the base of the arm.
A 48.9 kg pole vaulter running at 13.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.7 m/s and disregarding air resistance, how high was jump.
A space probe is traveling in outer space with a momentum that has a magnitude of 4.94 x 107 kg·m/s. Determine the momentum of the probe after the retrorocket ceases to fire
A car starts from rest and moves along a straight line with an acceleration of a = (3s -1/3) m/s2, where s is in meters. Resolve the car's velocity and position when t = 10 s.
A string fixed at both ends is 8.98 m long and has a mass of 0.125 kg. What is the longest possible wavelength for a standing wave
A thin layer of oil (n=1.25) is floating on water (n=1.33). What is the minimum non zero thickness of the oil in the region
Consider a homemade capacitor, which consists of 2 8.5" x 11" aluminum foil sheets separated by 10 sheets of paper. Estimate the capacitance of this device. What effect does the paper have on the capacitance
A wheel with a radius of 0.25 m rolls without slipping on a level road at a constant speed of 1.1 m/s for 2.0 min
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