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A coffee cup heater and a lamp are connected in parallel tothe same 120-V outlet. Together, they use a total of 111W of power.The resistance of the heater is 4.0 X 10 to the second power ohms. Find the resistance of the lamp.
A "torsional pendulum" comprises a uniform vertical quartz fiber attached to the top of a uniform solid sphere of mass m = 2 kg and radius r = 0.1m. what is the angular amplitude of the subsequent motion
You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V. What is the breakdown potential of this capacitor
What is water speed along the boat during the vertical cross
Find the force P that must be applied to a piston of area10.10cm^2to produce sufficient fluid pressure to support a car weighing 11,301N by means of a column of fluid of cross sectional area280cm^2
Light of wavelength 700 nm falls on a 0.47 mm wide slit and forms a diffraction pattern on a screen 1.3 m away. Find the width of the central maximum
A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe..
Light enters a container of liquid at an angle of 48° to the normal; the refracted beam makes an angle of 37° with the normal. Calculate the index of refraction of this liquid
In figure, a ball is thrown up onto a roof, landing some timelater at height h = 20.0 m above and d = 30.0 mhorizontally from the release point. The ball's path just beforelanding is angled at θ = 60.0o with the horizontal roof. (a)Find the time o..
1. a 10.0 cm radius piston compresses a gas isothermally from a height of 15.0 cm to 2.50 cm at a constant pressure of
Estimate the maximum centrifugal and coriolis forces that you would experience on a ferris wheel in Melbourne, FL. How does this compare with gravity? (Please use the earth's surface as the reference frame).
In a proton accelerator, the energy of proton is 20MeV, the diameter of the beam is 2.0mm, Find the current density and the particle density in the beam
at the surface of the earth what is the force on the rocket due to gravity when the rocket has reached an altitude of 1.2 x 104 km
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