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A light string can support a stationary hanging load of27.0 kg before breaking. A2.80 kg object attached to the stringrotates on a horizontal, frictionless table in a circle of radius0.800 m, while the other end of the string is held fixed. What range of speeds can the object have before the string breaks?
A 5.5 kg particle and a 2.5 kg particle have a gravitational attraction with a magnitude of 2.8 multiplied by 10-12 N. How much work is done by you
a box of mass m1kg slides 20sqrt2m down an incline plane of angle pi4 and kinetic friction is 12.what are the
What is the coefficient of static between crate and incline
A basketball is thrown horizontally with an initial speed of 4.90 m/s. A straight line drawn from the release point to the landing point makes an angle ? = 27.0° with the horizontal. What was the release height
two very long coaxial conducting cylindrical shells have a potential difference 800 v. the inner cylinder has radius
A 2.25×10^4 elevator is to be accelerated upward by connecting it to a counterweight using a light (but strong!) cable passing over a solid uniform disk-shaped pulley. There is no appreciable friction at the axle of the pulley, other than its mass..
A 141 kg block is released at a 4.9 m height as shown. The track is frictionless except for a portion of length 7.3 m . The blocktravels down the track, hits a spring of force constant k = 1042N/m . The coefficient of kinetic fric- tion between su..
At rest when constructed, the ring is set rotating about its axis so that the people inside experience effective free-fall acceleration equal to g. The rotation is achieved by firing two small rockets attached tangentially to opposite points on the r..
If the plant produces electric energy at the rate of 1.3GW , how much exhaust heat is discharged per hour
The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much longer than the sides of the square. The net magnetic field at the centerof the square is 72 μT directed into the drawing...
Light at two different wavelengths, 750nm and 450nm, is shone through the same single slit at the same time. Determine the slit's width
question1a carnot engine operates with an effectiveness of 24.0 percent as the temperature of its cold reservoir is 290
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