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You and your friend are standing on a horizontal platform that is rotating about its center. The platform is rotating at a constant rate of 1 revolution in 5.5 seconds. You are standing 1.9 m from the center of the platform and your friend is standing 1.10 m from the center of the platform. What is the difference between your angular speed (in rad/s) and your friend's speed? Give your answer in rad/s to three significant figures. Your Answer:
A blacksmith cools a 1.30-kg chunk of iron, initially at a temperature of 650.0?C, by trickling 15.0?C water over it. How much water did the blacksmith trickle over the iron
A uniform rod of length 0.790 m and mass 14.50 kg is balanced on a sharp edge at 0.650 m from the left end. At the left end hangs a mass of 45-kg and the right end hangs an unknown mass so that the whole assembly is in equilibrium.
The liquid-drop model of the atomic nucleus suggests high-energy oscillations of certain nuclei can split the nucleus into two unequal fragments plus a few neutrons, Calculate the electric potential energy (in electron volts) of two spherical fragm..
A train is travelling up a 5.0 degree incline at a speed of 2.25m/s when the last car breaks free and begins to coast without friction. a) How long does it take for last car to come to rest momentarily? b) How far did the last car travel before mo..
A double convex lens (convex on both sides) is made of glass with an index of refraction of 1.65. What is the magnitude of the larger radius
In order to drink from your glass you first need to lift it to your mouth. As you begin to lift your 0.20 kg glass of water, it is accelerating upwards at 0.090 m, What is the net force acting on the glass
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, Calculate the work required to load the gun
Suppose a light bulb is rated for a voltage of 1.8 V. At this voltage is draws a current of 0.054A, Using Ohm's Law, determine the resistance of the bulb
A muon is created at the top of Mount Kanchenjunga (height 8,600 m) and travels at constant speed to sea level, what is the height of Mount Kanchenjunga
What mass (in grams) of steam at 100°C must be mixed with 124 g of ice at its melting point, in a thermally insulated container, to generate liquid water at 37.0°C.
Prepare a multiple-step income statement for the year ended December 31, 2012, concluding with earnings per share.
A square, single turn coil 0.20m on a side is placed with its plane perpendicular to a constant magnetic field. An emf of 18mV is induced in the coil winding as the area of the coil decreases at the rate of 0.10m2/S. What is the magnitude of the m..
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