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A stunt guy whose mass is 70 kilogram swings from the end of a 3.7 meter long rope along the arc of a vertical circle. Suppose that he starts from rest when the rope is horizontal, determine the tensions in the rope that are required to make him follow his circular path at each of the following points.
(a) at the beginning of his motion
N
(b) at a height of 1.5 meter above the bottom of the circular arc
(c) at the bottom of the arc
An astronaut is in equilibrium when he is positioned 738 km from planet X and 472 km from planet Y, What is the ratio of the masses of two planets X/Y
Two spherical shells have a ordinary center. A +1.6x10-6C 10 charge 0is spread consistently over the inner shell, which has a radius of0.050 m. A -5.3x10-6C charge is spread consistently over the outer shell, which has a radius of 0.15 m.
A beam of polarized light has an average intensity of 15 W/m^2and is sent through a polarizer. find the rms value of the electric field of the transmitted beam
The tires on a new compact van have a diameter of 2.0 feet and are warranted for 58,000 miles. Find the angle through which one of these tires will rotate during the warranty period
Two protons and and alpha particle are held at rest at the cornersof an equilateral triangle whose side length is8.00x10-10m. What is their total energy when they are far apart
A 0.430 kg block is attached to a horizontal spring that is at its equilibrium lenght, and whose force constant is 20.0 N/m. The block rest on a frictionless surface. A 0.0500 kg wad of putty is thrown horizontally at the block, hitting it with a ..
A drop of water on a countertop reflects light from a flower held2.6 cm directly above it. The flower's diameter is 2.0 cm, and the diameter of the flower's image is 0.19 cm. What is the focal length of the water drop, assuming that it might be treat..
Two skaters, one with mass 65 kilogram and the other with mass 40 kilogram, stand on an ice rink holding a pole of length 10 meter and negligible mass. Evaluate how far does the 40 kilogram skater move
You want to double the resonance angular frequency of a series R-L-C circuit by changing only the pertinent circuit elements all by the same factor
A runner traveling with an initial velocity of 1.5 m/s accelerates at a constant rate of 1.6 m/s^2 for a time of 3 seconds. What distance does the runner cover during this process
A physics professor is pushed up a ramp inclined upward at an angle 33.0^\circ above the horizontal as he sits in his desk chair that slides on frictionless rollers. The combined mass of the professor and chair is 82.0 kg.
What work must a diesel engine in an 18.000kg truck do to increase its speedfrom 30. m/s to 40. m/s in 5.0 seconds? What average force did the engine exert
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