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A 1.51- battery has internal resistance 1.55 . The battery powers a lightbulb whose filament (when lit) has resistance 8.45 .
A. Find the current through the lightbulb.
B. Find the potential difference across the battery terminals with the bulb connected.
An x-ray photon is scattered from a free electron (mass m) at rest. The wavelength of the scattered photon is ?', and the final speed of the struck electron is v. Through what angle w is the photon scattered
A 40 cm-diameter potter's wheel with a mass of 27 kg is spinning at 180 rpm. how long will it take for the wheel to come to a stop in her hands
A 2100-kg truck traveling north at 41 km/hr turns east andaccelerates to 60 km/h. What is the change in the truck's kinetic energy
The isotope 88224Ra of radium has a decay constant of 1.19×10-6 per second. What is the half-life (in days) of this isotope
An object is placed 64.5 cm from a screen. Find the magnification of the lens
A flute has a length of 58.0 cm. If the speed of sound in air is 343 m/s, what is the fundamental frequency of the flute
A 34cm diameter wheel accelerates uniformly about its center from 130rpm to 370rpm in 4.8s. Determine the radial component of the linear acceleration of a point on the edge of the wheel
Suppose that an electron is trapped within a small region and the uncertainty in its position is 7.20 multiply.gif 10-15 m, find the minimum uncertainty in the electron's momentum
Both drawings show the same square, each of which has a side of length L = 0.82 m, Find the single smallest frequency that will produce both constructive interference in drawing 1 and destructive interference in drawing 2
consider two point particles that have charge e are at rest and are separated by 3.70 x 10-15 m.a how much work was
Define the frequency components of an AM signal and draw the AM signal for the given modulation index.
An inductor in the form of a solenoid contains 380 turns and is 14.4 cm in length. What is the radius of the solenoid
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