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A certain gyroscope consists of a uniform disk with a 47 cm radius mounted at the center of an axle that is10 cm long and of negligible mass. Theaxle is horizontal and supported at one end. If the disk isspinning around the axle at 960 rev/min, what is the precession rate?rad/s
A laser beam of power 4.40 W and diameter 2.70 mm is directed upward at one circular face of a perfectly reflecting cylinder, which is made to "hover" by the beam's radiation pressure
Two sound sources driven in phase by the same amplifier are 2.40 m apart on the y axis. What is the wavelength of the sound waves from the sources
A potato of mass 0.150 kg is tied to astring with length 2.10 m, and theother end of the string is tied to a rigid support. What is the tension in the string at this point
A Carnot engine uses hot and cold reservoirs that have temperatures of 1850 and 845 K, respectively. The input heat for this engine is QH. The work delivered by the engine is used to operate a Carnot heat pump. The pump removes heat from the 845-K re..
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 13 m/s at an angle of 24° above horizontal. How high is the ball when it hits the wall
A 2.40kg mass is pushed against a horizontal spring of force constant 26.0N/cm on a frictionless air table. The spring is attached to the tabletop, Find the greatest speed the mass reaches
Two spherical shells have a common center. A -1.00x10-6 C charge is spread uniformly over the inner shell,which has a radius of 0.050 m. A +5.00 x10-6 C charge isspread uniformly over the outer shell, which has a radius of 0.15m.
A 232-kg satellite is in circular orbit around the Earth and moving at a speed of 4.88 km/s. How much work must be done to move the satellite into another circular orbit
a 55.9-kg skateboarder starts out with a speed of 1.83 ms. he does 98.3 j of work on himself by pushing with his feet
The active element of a certain laser is an ordinary glass rod 21.6 cm long and 1.22 cm in diameter. Calculate its increase in diameter
A certain laboratory experiment requires an aluminum wire of length of 36.0 m and a resistance of 2.80 ? at 20.0°C. What diameter wire must be used
A series ac circuit consists of a voltage source of frequency f=60 Hz and source voltage amplitude 345 volts, a resistor of resistance R=335 ohms, what is the current amplitude in the circuit
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