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Light of wavelength 340 nm is incident on a metal surface and ejects electrons that have maximum speed of 3.50 x 105 m/s.
(a) What is the work function of the metal?
(b) What is the stopping voltage?
(c) What is its threshold wavelength?
A long thin rod of length 2L rotates with a constant angular acceleration of 8.0 rad/s^2 about an axis that is perpendicular to the rod and passes through its center. What is the ratio of the angular speed (at any instant) of a point on the end of th..
A positive charge q is placed at the origin. Identical charges Q are located at ±a on the x-axis. If the charge q is dispaced at a small distance x (much smaller than a) in either direction along the x-axis, find the period of SHM.
The spring shown is compressed 50 cm and used to launch a 100-kg physics student. The track is frictionless until it starts up the incline. How far up the incline does the student go
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A CD originally at rest reaches an angular speed of 40rad/s in 5.0s. What is the magnitude of its angular acceleration
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a cylinder conductor with radius 2r and length l carries a uniformly distributed net charge q. this conductor is
A 79-kg pilot in an aircraft moving at a constant speed of 495 m/s pulls out of a vertical dive along an arc of a circle of radius 4500 m. What is the pilot's apparent weight at the bottom of the dive
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