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A 5.59-kg ball hangs from the top of a vertical pole by a 2.13-m-long string. The ball is struck, causing it to revolve around the pole at a speed of 4.99 m/s in a horizontal circle with the string remaining taut.
Calculate the angle, between 0° and 90°, that the string makes with the pole. Take g = 9.81 m/s2.
Find the tension of the string.
Four persons, each with a mass of 73.1 kilogram, are in a van with a mass of 1150 kilogram. An earthquake strikes. Find by what distance does the car undamaged suspension lifts the car body as the people get out
IP At a certain distance from the center of the Earth, a 5.0- object has a weight of 3.0 . Find this distance. By what factor does its initial acceleration change
A duck flying horizontally due north at 14.2 m/s passes over Atlanta, where the magnetic field of the Earth is 5.09×10-5 T in a direction 55.9° below a horizontal line running north and south. The duck has a positive charge of 3.28×10-8 C. What is th..
A concrete highway curve of radius 80.0 meter is banked at a 13.0 degree angle. Determine what is the maximum speed with which a 1600 kilogram rubber-tired car can take this curve without sliding
Explain the focal length of the objective of a telescope is much longer than the focal length of the eyepiece
A number equal to the sum of its coordinates is assigned to each point in a rectangular room having three of its contiguous edges as the coordinate axes. Draw a sketch of the constant-magnitude surfaces for the number field generated in this manne..
A string is wrapped around the disk of mass m = 1.8 kg and radius R = 0.11 m. Starting from rest, you pull the string with a constant force F = 8 N along the nearly frictionless surface. At an instant when the center of the disk has moved a distan..
In a photoelectric effect experiment, a metal sample is illuminated by 10.0 mW of ultraviolet light of wavelength 240 nm. What is the longest wavelength of light that can knock electrons out of this metal
A prism is made of glass of unknown RI. A parallel beam of light is incident on a face of the prism. The angle of min deviation is measured to be 40 degree. What is the Refractive Index of the prism
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
Suppose that blood is pumped from the left side of a person's heart at a rate of 105.0 cm3/s, What is the pumping rate into the right side of the heart
A gas is compressed at a constant pressure of 0.800 atmfrom 7.00 L to 3.00 L. In the process, 400 J of energy leaves the gas by heat. What is the work done on the gas? What is the change in its internal energy?
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