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An electron with electric charge of 1.610-19 C falls through a potential difference of 56 kV in the vacuum of an X-ray tube. What is the kinetic energy of the electron, assuming it started from rest and that there is no loss of energy to friction? (Note:1 volt = 1 joule/coulomb.)
Models of torpedoes are sometimes tested in a horizontal pipe of flowing water, much as a wind tunnel is used to test model airplanes. With what speed must the water flow in the part of the pipe
Calculate the loss of signal strength is decibels and What is the probability of no bits changing?
As soon as a traffic light turns green, an automobile speeds up from rest to 56.0 mi/h with fix acceleration 9.00 mi/h-s. Calculate for what time interval is the bicycle ahead of the car
A 5.0 V battery storing 43.0 kJ of energy supplies 1.5 A of current to a circuit. How much energy does the battery have left after powering the circuit for 1.0 hour
An 8.40 gram bullet has a speed of 1.13 km/s. Determine what is its kinetic energy in joules, Determine what is the bullet kinetic energy if its speed is halved
A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of the mass of the cat. What is the speed of the mouse
Determine the equivalent molecular mass, the gas constant for this mixture, and the composition of air on a mass (or weight) basis.
Over the next several weeks, Frank never saw any of the industry's logo items being worn or used by the workers. Instead the workers were uncommunicative towards him and at times even hostile
Find the tension in each of the two ropes supporting a hammockif the first one is at an angle of 13.5° above the horizontal and the second is at anangle of 35.4° above thehorizontal. The person sleeping in the hammock (unconcerned abouttensions an..
A trunk with a weight of 230 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.32, what would be the acceleration of the trunk
Water (density 1000 kg/m^3) is flowing in a pipeline. At point 1 the water velocity is 5.0 m/s. Point 2 is 3.5 m above point 1. The cross sectional area of the pipe is .060 m^2 at point 1 and .020 m^2 at point 2. What is the Pressure difference P1-P2..
an engine has a hot reservoir temperature of 935 k and a cold reservoir temperature of 616 k. the engine operates at
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