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Your physics teacher is holding a spinning wheel with angular momentum of 8 units upward while standing on a stationary turntable with negligible friction in its ball bearings. What is the magnitude and direction of angular momentum of the teacher plus the turn table after he flips the wheel over. Explain.
In the experiment to study polarization, the angle between the transmission axes of two polarizers is theta. Light from the incandescent light source passes through both polarizers. Calculate the value of the angle theta
Use the worked example above to help you solve this problem. A skier starts from rest at the top of a frictionless incline of height 20.0 m, Find the skier's speed at the bottom
Water molecule can be visualized as anisosceles triangle with an oxygen ion (-3.2E-19 C) and two Hydrogenions (1.6E-19 C each) at the three corners.
An 18 g rifle bullet travelling 180m/s buries itself in a 3.6kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Verify the horizontal component of the pendulum's displacement.
An electronic advertising sign repeats a message every 82 seconds, day and night, for a week. how many times did the message appear on the sign
A 4-kg mass is connected by a light cord passing over a pulley to a 2-kg mass. The pulley rotates about a frictionless axle and has a mass of 3kg and radius .2-m. find the acceleartion of the two masses
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
assume that a scale is in an elevator on earth. what force would the scale exert on a 57.6kg person on it if the
A uniform electric field is oriented so that it makes a 60.0° angle with the normal to a 1.0 m2 surface. Find the induced displacement current through the surface
A bullet is fired through a board, 14 cm thick, with a line of motion perpendicular to the face of the board. If it enters with a speed of 450 m/s, what is the bullets acceleration
A long straight cylindrical wire conductor of radius R carries a current I of uniform current density in the conductor. Find the magnetic field outside the wire
a 7.4 cm-diameter-baseball has a mass 145 g and is spinning at 2000 rpm. Treating the baseball as a uniform solid sphere, whats its angular momentum
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