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A solid cylinder of mass 2.00kg and radius 1.50x10^-2m is free to rotate on a frictionless axle. A mass of 2.00kg hangs from a string wrapped around the cylinder. When the hanging mass is released it falls and unwinds the string from the cylinder. Solve for the tension in the string, the acceleration of the falling mass, and the angular acceleration of the cylinder.
A 2 kg projectile is fired with an initial speed of 135 m/s at an angle of 68° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 0.72 kg and 1.28 kg. At 3.8 s after the explosion, the 1.28 kg f..
A brass plate with a thickness of 1.00 cm is placed over a copper plate with a thickness of 2.00 cm, What is the effective coefficient of thermal conductivity for the brass - copper layer
define the magnitude of the acceleration of the block. What is the electric ?eld strength.
what is the maximum weight of the crate that the system can support? What is the angle needed for equilibrium.
It is desired to magnify reading material by a factor of 3.0× when a book is placed 8.5cm behind a lens, determine the power of the lens in diopters
You're in an airplane that flies horizontally with speed 1000 km/h (280m/s) when an engine falls off. Neglect air resistance suppose it takes 30s for the engine to hit the ground.
What is the approximate mass of the cat.
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
As a 5-kg block travels around a 0.6-m radius circle it has an angular speed of 14 rad/s. find The magnitude of its angular momentum around the origin
A pipe filled with natural gas [methane (CH4)] is punctured by a line of small holes 1.00 cm apart down its entire 2.2-m length. What frequency is being played in this picture
A charge of -5.0 nC is uniformly distributed around a ring of radius 1.5 m that lies in the yz plane with its center at the origin, Calculate the work done in moving the point charge to the origin
A ball of mass 1.024 g and positive charge q =40.3microC is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of theta=15.0o from the vertical. What is the magnitude of the electric field..
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