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A 56 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. There is no appreciable friction between the nail and the string. If the tension in the string is 51 N while the mass moves in a uniform circle on the table, how long does it take for the mass to make one complete revolution?
A house painter is standing on a uniform, horizontal platform that is held in equilibrium by two cables attached to supports on the roof. How large is the force exerted by the right-hand cable
The Sun is moving in a circular orbit around the center of ourGalaxy. The radius of this orbit is 3 x 104 light-years. Calculate the period of the orbital motion in years
an initially uncharged air-filled capacitor is connected to a 3.39-v charging source. as a result 9.57 times 10-5 c of
A Spring of negligible mass has force constant K= 1700 N/m. How far must the spring be compressed
When driving west toward the Rocky Mountains, you see a peak 2.8 above the horizon. Your GPS gives your current elevation as 1500, Find the peak's elevation
A transverse wave on a string is described by the following wave function. y = 0.105 sin (?x/12 + 5?t) where x and y are in meters and t is in seconds. What is the speed of propagation of this wave
A rigid container contains saturated water at a pressure of 2 bar and a quality of 0.42. Determine the final pressure of the container
Vibration from a 475 Hz tuning fork sets up standing waves on a string clamped at both ends (one of which you may take as x=0). What is the wavelength of the travelling waves that form this standing wave
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the wavelength of the waves on the string
a pipeline conveying freshwater to a city has an internal diameter of 1.2m and external diameter of 1.25m. the pipeline
Light from the bottom of a swimming pool is incident on the surface at an angle of 20°. What is the angle of refraction
The work on a system with a mass 100 lbm is known to be 10 BTU's . If there is no change in potential energy and the speed changes from rest to 32 ft/sec. What is the change in the internal energy of the system?
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