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A solid, thin disk has a moment of inertia of 3.00 x10-2 kg.m2 and spins freely on a frictionless axis at 25.0 rev/min. Suppose then a 0.300-kg ball of putty is dropped vertically onto the turntable and sticks at a point 0.100 m from the center. What is the new rate of rotation of the system? [Hint: Treat the putty as a point mass and calculate final moment of inertia.]
A 43kg block of ice slides down the frictionless incline 1.50m long and 0.82m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed.
An object is 5.7 cm from a spherical concave mirror. If the image is 4.7 cm tall and 10 cm from the mirror, how tall is the object
q1. on the wheel of fortune game show a solid wheel of radius 6.7 m and mass 10 kg is given an initial counter
A child's helium-filled balloon escapes at sea level and18oC. what is the ratio of the initial volume to the final volume
Based on this information and what you learned in this chapter about the action potential, estimate the total number of sodium ion channels in the membrane of a nerve cell
Light of wavelength 563 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.589 cm
What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ?
A spring loaded gun of spring constant 850 N/m is compressed a distance 45 cm before firing a 55 g dart. Assuming the gun is pointed horizontally, at what speed does the dart leave the gun?
A Carnot refrigerator is driven by a small motor whose output of mechanical power is 100W. how much heat will be removed from the cool reservoir in one hour
A 10 g steel marble is spun so that it rolls at 150 rpm around the inside of a vertically oriented steel tube. The tube is 12 cm in diameter. Assuming that the rolling resistance is negligible enough for the marble to maintain 150 rpm for several ..
Alpha particles from a particular radioactive source have a speed of 1.65e7 m/s. How large a magnetic field is required to bend the path of the particles into a circle of 0.530 m radius
A piece of machinery with a momentum of inertia of 2.6 kg m2 rotates with a constant angular speed of 4.0radians/second when a frictional torque of 0.56 mN acts on it. What is the net torque acting on the piece
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