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A taut string has a length of 2.60m and is fixed at both ends. (a) Find the wavelength of the fundamental mode of vibration of the string (b) Can you find the frequency of this mode? Explain why or why not.
The immediate environment of a reactor contains a large flux of 10 MeV gamma rays. Resolve the thickness of lead required to reduce the intensity by a factor of 1012. Assume the mass absorption coefficient of Pb for 10 MeV photons is m/r = 0.06 cm..
A block with mass mA = 11.0kg on a smooth horizontal surface is connected by a thin cord that passes over a pulley to a second block with mass mB = 6.0kg which hangs vertically
a heat engine is being designed to have a carnot efficiency of 73 when operating between two heat reservoirs.a if the
A metal sphere of radius 14 cm has a net charge of 3.8 x10–8 C. What is the electric field at the sphere'ssurface? If V = 0at infinity, what is the electric potential (in V) at the sphere'ssurface?
Water flows at speed of 4.9 m/s through a horizontal pipe of diameter 3.2 cm. The gauge pressure P1 of the water in the pipe is 1.5 atm. What is the gauge pressure of the water flowing through the constricted segment in atm
A 3.7cm x 5.8cm rectangle lies in the xz-plane, What is the electric flux through the rectangle if E = (80i + 70j) N/C
a container of ideal gas for which the thermal energy is given by eth 2.4 n r t is initially at pressure pi 1.0 x
A mass m=2.0 is connected to a massless spring of force constant k_1=100N/m. This spring is connected at point P to a second spring, also massless, what forces acts on the mass
A 1.8m -long, 600g rope pulls a 2.0kg block of ice across a horizontal, frictionless surface. The block accelerates at 4.0m/s2, How much force pulls forward on the block of ice
An object suspended from a spring vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic
A mass of 1.62 kg stretches a vertical spring 0.328 m. If the spring is stretched an additional 0.136 m and released, how long does it take to reach the (new) equilibrium position again.
A 3.00-m long rod is hinged at one end. The rod is initially held in the horizon position, and then released as the free end is allowed to fall. What is the angular acceleration as it is released
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