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A 2.0 kilogram, 20 centimeter diameter turntable rotates at 100 rpm on frictionless bearings. Two 500 gram blocks fall from above; hit the turntable simultaneously at opposite ends of a diagonal, and stick. Find the turntable angular velocity just after this event?
A washer is constructed from soft steel (density p = 7.9•10^3 kg/m^3). Its inside and outside dimensions are 2.00 cm and 3.30 cm, and it's thickness is 0.50 cm.
A 168 kg polar bear standing 1.2 meters tall walks onto a floating sheet of ice 0.305 m thick. What is the surface area of the ice floe
A source emitting sound in air at frequency of 1000 Hz recedesfrom an observer with speed 1/5 speed of sound. If observer moves towards source at a speed of 1/10 speed ofsound, what frequency does he measure
When she gets off the ride, she uploads the scale readings to a computer and creates a graph of scale reading versus time. Note that graph has a minimum value of 519 rm N and a maximum value of 666 rm N.
It walks 2.4m along the boat toward shore and the nstops Assuming no friction between the boat and the water, find out how far the dog is then from the shore
A uniform door weighs 46-N and is 0.9 m wide and 2.5 m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
What is this flux expressed as a fraction of the energy flux due to thermal re-radiation of absorbed solar energy. If radioactive decay were the only heat source for the Earth, what would the Earth's surface temperature be.
An airplane travels 277 m down the runway before taking off. Assuming that it has constant acceleration, if it starts from rest and becomes airborne in 9.00 s how fast is it moving at takeoff?
An open train car, with a mass of 2010 kg, coasts along a horizontal track at the speed 2.73 m/s. evaluate the car\'s speed after the loading is completed
A copper rod is fastened securely at both ends to immovable supports. What is the magnitude |?T| of the change in temperature of the rod when it ruptures
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole human bodies has a field strength of 5.04 T, and the current in the solenoid is 1.92 x 102 A.
A boy is trying to retrieve his toast from a toaster using a metal knife. He touches one of the wires inside, which is connected to 120 V. What is the current through his body
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