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A pipe with a diameter of 1m carries water at a pressure of 1000kPa and a speed of 6m/s. If the pipe narrows to a diameter of 0.5m, what will the pressure and speed be in the smaller diameter section of pipe?
An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
In the Millikan oil-drop experiment illustrated in the figure below, an atomizer is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates, Estimate the radius of an oil drop of density 854 kg/m3 for which it..
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
A 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 4 m and let go. find is the maximum velocity of the mass
A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
Describe what are the (a) magnitude and (b) direction of the boat's velocity relative to the ground? (c) How long does the boat take to cross the river?
Evaluate the magnitude of the acceleration of each mass. What percentage of error in would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.
A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30 degress above the horizantal. If the ground is level, illustrate what is the maximum height reached by the projectile?
A group of people with total mass 1500 kg stands in a boat with mass 12,000 kg at rest in frictionless water. If the whole group walks 6.5 m from bow to stern, how much does the boat move in meters
Two very thick equally-magnetized square plates of side 0.23m and of mass 20 g, are hung by threads 20.0 cm long from a common point. Calculate the magnetic field energy stored between the two plates
Chuck Norris's razor blade has an output force of 2500 lbs is used to shear his burley face. The shaving blade has the 0.35 inch thick blade with a 55 degree slope.
compass needle points 25 degrees E of N outdoors. However, as it is placed 17 cm to the east of a vertical wire inside a building it points 61 degrees E of N. What is the magnitude of the current in the wire? The earth field there is 0.50X10^-4 T ..
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