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Problem:
Explain critical speed of a rotating shaft?
Additional information: This problem related to critical speed of a rotating shaft in physics.
Solar intensity at the surface of the sun is about 6 x 106 W/m2, what is the peak magnetic field at the surface
Two buckets of sand hang from opposite ends of a rope thatpasses over an ideal pulley. One bucket is full and weighs 120 N;the other bucket is only partly filled and weighs 63N.
A step-down transformer has a turns ratio of 1:10, and its primary is connected across the terminals of a standard 120-V wall socket. What power P is dissipated in the resistor
Find what average power beaded to accelerate a 650 kilogram car from 0 to 65 mi/h in 5.5 s? Suppose that all forms of frictional losses can be ignored
1 suppose you weigh 874n and when you stand on one foot your weight is spread out over an area of 1.590times10-2m2.
Glider A with mass 0.400 kg, gliding with a velocity of magnitude 0.50 m/s on a frictionless, horizontal air track, makes a perfectly elastic head-on collision with a glider B with mass, Find the mass of the glider B
A lens for a 35 millimeter camera has a focal length given by f =61 millimeter. Compute the magnification of the image on the film
A particular engine has a power output of 4.00 kW and an efficiency of 25.0%. Assume the engine expels 7000 J of energy in each cycle. Find the time required to complete each cycle
A Carnot engine has 40 g of Helium gas as its working substance. Calculate the work generated by this engine during one cycle
What is the capacitance after the separation becomes 2d.
A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.
Helium gas with a volume of 2.60L under a pressure of 1.70atm and at a temperature of 43.0 oC is warmed until both the pressure and volume of the gas are doubled. How many grams of helium are there
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