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A uniform cylinder whose mass is 50 kg and radius is 0.20 m is mounted so that it turns without friction on its axis, which is fixed. The cylinder is driven by a belt that wraps around its perimeter and exerts a constant torque. At t = 0, the cylinder’s angular velocity is zero. At t = 20 s, its angular speed is 300 rev/min.(a) What is the magnitude of the torque acting on the cylinder? (b) What is the magnitude of the frictional force acting on the rim of the cylinder?
a 1500-kg automobile is pulled behind a tow truck. the power exerted by the tow truck on the car is a constant 50 kw.
for circular parallel plate capacitor whose radius is 0.1 m and which the separation between the plates is 2mm what is
two long parallel wires are separated by a distance of 2.7 cm. the force per unit length that each wire exerts on the
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. the
What is the average speed of a rider on this Ferris wheel.
The tension in a ligament in the human knee is approximately proportional to the extension of the ligament, What is the tension in this ligament when it is stretched by 0.67 cm
When a water gun is fired while being held horizontally at a height of 1.00 m above ground level, the water travels a horizontal distance of 4.90 m. how far will the water travel horizontally
The sound level, ß, measured at a radius r = 11.00 meters from a point sound source that is emitting sound equally in all directions is 95.17 dB, what is the sound power emitted by the source
Because it has the highest binding energy per nuclion of all nuclides, 62 over 32 Ni may be described as the most strongly bound. Its neutral atomic mass is 61.928349amu.
What is total mechanical energy of the motion
An organ pipe open at both ends is vibrating with n=5 with a frequency of 646 Hz. The length of the pipe is 0.5 m. Determine the speed of sound in air in the pipe
Consider a rectangular loop of wire 7.3 cm by 8.0 cm in a uniform magnetic field of magnitude 1.1T. What is the average induced emf in the loop
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