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A thin stream of water flows smoothly from a faucet and falls straight down. At one point the water is flowing at a speed of v1 = 1.07 meter per second. At a lower point, the diameter of the stream has decreased by a factor of 0.895. Obtain what is the vertical distance between these two points?
A camera with interchangeable lenses is used to photograph a distant object. The angular size of the object is 27 degrees. What is the longest focal length lens
In an automobile engine, a piston moves in SHM with amplitude of 0.390 m. Calculate the maximum speed of the piston
Two satellites, C and D, are in different circular orbits about the earth. Determine the ratio of the periods of the satellites
The Boeing 777 aircraft has a takeoff mass of 255000kg and a takeoff speed of 115m/s, What airflow speed across the top of the wing is necessary for the plane to fly
A Brayton-cycle heat engine follows the cycle shown in the figure. The heat input from the burning fuel is 2.0 MJ per cycle. Determine the engine's thermal efficiency by explicitly
A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 160 ms. (a) How far below the release point is the center of mass of the two stones at t = 300 ms? (Neither stone has yet reached t..
two boxes connected by a light horizontal rope are on a horizontal surface. the coefficient of kinetic friction between
An archer pulls her bowstring back 0.360 meter by exerting a force that increases uniformly from zero to 224 Newton. Compute how much work does the archer do in pulling the bow
A fully equipped astronaut has a mass of 140 kg. If the astronaut has a weight of 675 N standing on the surface of a planet, what is the acceleration due to gravity on this planet?
A hoop a disk and a solid sphere each have mass of 1.4 kg and a diameter of 16cm. starting from rest, all three objects roll down a 7 degree slope. find the speed of each at the bottom
A curve of radius 30.0 m is banked so that a car traveling 40.0km/h can round it even if the road is so icy that the coefficient of static friction is approximately zero.
A spring is hung from a ceiling,and an object attached to its lower end stretches the spring by adistance of 5.00 cm from its unstretched position when the systemis in equilibrium. determine the mass of the object
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