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A string 1.5 meter long with a mass of 2.5 gram is stretched between two fixed points with a tension of 99 Newton. Obtain the frequency of the fundamental on this string.
After the Sun exhausts its nuclear fuel, its ultimate fate will be to collapse to a white dwarf state. Calculate the average density of the white dwarf
A 40 cm length of wire has a mass of6.0 g. It is stretched between two fixed supports and is under atension of 185 N. What is the fundamental frequency of this wire
Two identical small metal spheres are separated by 1.00 x 10^5 m and exert an 18.9 N repulsive force on each other, determine the charges of the spheres before the connection
A student sits on a swivel seat. Initially the student is at rest,holding a spinning bicycle wheel that has an angular velocity of14.2 rad/s (see figure below). The studentturns the spinning wheel upside down, reversing the direction ofits angular..
A massless string runs around two massless, frictionless pulleys. An object with mass m = 12.20 kg hangs from one pulley. A force F is exerted on the free end of the string. What is the magnitude of the force F if the object is lifted at the constant..
A 10-kg bucket is lowered by a rope in which there is 63N oftension. What is the acceleration of the bucket
A 3.0 m tall, 54 cm diameter concrete column supports a 190,000 kg load. By how much is the column compressed
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
A particle with charge 2.0 C moves through a uniform magneticfield. At one instant the velocity of the particle is (1.5i + 4.0j+ 6.0k) m/s and the magnetic force on the particle is (4.0i - 20j +20k) N. The x and y components of the magnetic field are..
An electron in the hydrogen atom makes a drop from n = 3 to m = 2. What wavelength of photon is emitted
A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point. What was the bullet's speed as it left the barrel
a 20-cm-long nichrome wire is connected across the terminals of a 1.5 v battery.a. what is the electric field inside
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