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A coin is placed 15.0 centimeter from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 35.0 rpm (revolutions per minute) is reached, at which point the coin slides off.
Find the coefficient of static friction between coin and turntable?
An engine absorbs 1.72 kJ from a hot reservoir at 277°C and expels 1.15 kJ to a cold reservoir at 27°C in each cycle. How much work is done by the engine in each cycle
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A slide projector needs to create a 97 cm high image of a 2.0 cm tall slide, How far should you place the lens from the slide
A 15.0 kg bucket of water is suspended by a ropewrapped around a windless, that is a solid cylinder 0.500 m indiameter with mass 11.0 kg. With what speed does the bucket strike the water
In a science fiction movie, a 100 g base ball travelling with a speed of 60 m/s and an electron travelling at a speed of 1.2 x 10^7 m/s, What is the momentum of the base ball
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question a projectile is fired directly upward at such an initial velocity that it reaches half its height of 45
An electric dipole of dipole moment 4.5 x 10-9 C·m is in a 250 N/C electric field, what is the potential energy
A series RCL circuit includes a resistance of 298 ohm, an inductive reactance of 648 ohm, and a capacitive reactance of 415 ohm. The current in the circuit is 0.634 Amps. What is the Voltage of the alternator?
A 5.06 10-5 H solenoid is constructed by wrapping 63 turns of wire around a cylinder with a cross-sectional area of 9.70 10-4 m2 , Determine the change in the length of the solenoid
1 a 2.26 kg book is dropped from a height of 1.5 m. what is the books accelartion ?2 the parachute on a race car that
Estimate the boiling point of a 0.6 molal solution of NaCl in water, What is the osmotic pressure of a 100 mL of toluene solution that contains a total of .005 moles of a polymer dissolved in it at 25°C
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