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Consult Interactive Solution 7.10 for a review of problem-solving skills that are involved in this problem. A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +16.0 m/s, while the exiting water stream has a velocity of -16.0 m/s. The mass of water per second that strikes the blade is 45.0 kg/s. Find the magnitude of the average force exerted on the water by the blade.
a 4.6kg sphere made of metal whose density is 3800kg/m^3, is suspended by a cord. What fraction of the volume of the sphere is submerged
A 200 g block is pressed against a spring of force constant 1.40 kN/m until the block compresses the spring 10 cm. The spring rests at the bottom of a ramp inclined at 60.0 degrees to the horizontal.
2kg block located on an incline plane with an angle of 60 degrees. the Force is a horizontal force. What is the normal force exerted on the block
A sports car crosses the bottom of a valley with a radius of curvature equal to 95m. At what speed was the car traveling
What is the acceleration of a rising hot-air balloon if the ratio of the air density outside the balloon to that inside is 1.37?
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
Light of wavelength 560 nm illuminates a single 0.77 mm wide slit. At what distance from the slit should a screen be placed, What is the width of the central maximum
If I have a box with a movable divided and ideal gas inside, and I have Pleft greater than Pright, therefore the movable divided moves to change the volume so that pressure is in equilibrium, then how much is the change of entropy?
Large conventional electromagnets use water cooling to prevent excessive heating of the magnetic coils. ow many liters of water must circulate by the coils each second if the temperature of the coils is not to exceed 50 degree C
In addition, the snow exerts a retarding force on the sled that points opposite to direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 27.0 m/s, assuming 83.0% of the rotational kinetic energy can be transformed into translational energy
A 50 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.4 m. What speed does he need at the bottom
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