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A "swing" ride at a carnival consists of chairs that are swung in a circle by L = 14.2 m cables attached at an angle of ? = 62.7° to a vertical rotating pole. Suppose the total mass of a chair and its occupant is 183 kg. Calculate the tension in the cable attached to the chair.
A car speeds past a stationary police officer while travelling 115km/h. The officer immediately begins pursuit at a constant acceleration of 10.20 km/h/s (note the mixed units), just as the driver passes the officer.
Chiana is stalking a fly of mass 0.10 g, but the fly gets caught in a spider's web. What is the value of the effective spring stiffness constant k for the web
a child swings a mass on a string in a horizontal circle 1.2 meter off the ground. The string has a length of 0.6 meters, how far will the mass travel before it lands
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.0 inches. calculate the thickness of the shell
A convex spherical mirror with a radius of curvature of 14.5 cm creates a virtual image one half the size of the real object. Where is the object.
If the initial electric Force is, F, and the electron were moved to one third he original distance toward the proton, what would be the new electrical force
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 14.0cm, Find the electric field just inside the paint layer
the magnetic field 7.5 cm directly above the center of a 25 turn coil of radius 15cm is 0.80 mT. Find the current in the coil
An ideal gas expands at a constant pressure of 2.1 atm from 457 mL to 713 mL. Heat then flows out of the gas, at constant volume, What is the total heat flow into the gas
A potential difference of 1.50 V will be applied to a 40.0 m length of 18-gauge copper wire (diameter 0.04 in.), find the rate at which thermal energy will appear in the wire
A high performance solar panel is 24" by 54". Its maximum power output is 100W when placed under full sunlight. What is the efficiency of this panel
Consider a Boeing 777-200 airplane of wing span 60.93 m cruising horizontally at Mach 0.785 (about 828 km/h) due north in a region where the earth's magnetic field is .98*10
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