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A torque accelerates a 10 kilogram solid disk (0.50 m radius) from rest to an angular speed of 3.0 radius/sec about an axis through its center n 2.0 revolutions. What is the torque?
In a certain region of space, the electric field E? Is uniform. Use Gauss's law to find volume charge density p in this region.
A crane lifts a 425kg steel beam vertically upward a distance of 117m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s^2 Neglect frictional forces
An engine absorbs 1699 Joule from a hot reservoir and expels 1199 Joule to a cold reservoir in each cycle. Compute how much work is done in each cycle
questiontwo hockey players aaron and brunnhilde are pushing two pucks on a frictionless ice rink. the pucks are at
A hanging mass and the cylindrical, uniform, frictionless pullery have mass M. What is the acceleration of the hanging mass
A black hole is roughly defined as a an object dense enough that the speed needed for launching things from its surface must be the speed of light or greater. 3.00x108m/s. Determine the maximum radius of the earth
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.13 s. How much longer should the pendulum be made in order to increase its period by 0.34 s
At their closest approach, Venus & Earth are 4.20 x 10^10m apart. The mass of Venus is 4.87 x 10^24 kg, What is the force exerted by Venus on Earth
An electromagnetic wave in a vacuum has a maximum magnetic field amplitude of 5.67×10?7 T. What is the maximum electric field amplitude of the wave
A dipole has a +5e charged particle and a -5e charged particle separated by a distance of 6 nm. What is the magnitude of its dipole moment
Neutron stars, such as the ones at the center of the Crab Nebula,have about the same mass as our sun but have a muchsmaller diameter. If you weigh 665 N onthe earth, what would you weigh at the surface of a neutron starthat has the same mass as our s..
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