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You hook a pipe with an hourglass shape to a water hose. The diameter of the large ends is 6 centimeter, and the narrow neck has a diameter of 2 centimeter. The flow speed of the water is 1 meter per second at the large side.
a) Determine the flow speed of the water, v2, as it moves through the narrow neck? Find what is the change in pressure (P2- P1) measured in the small neck?
a square loop of wire surrounds a solenoid. the side of the square is 0.1 m while the radius of the solenoid is 0.025
A 5.00 g bullet moving at 624 m/s strikes a 720g wooden block at rest on a frictionless surface. What is the resulting speed of the block
estimate the average power output on the way up. A speedboat moving at 39 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of -3.15m/s2 by reducing the throttle.
Dave Johnson, the bronze medalist at the 1992 Olympic decathlon in Barcelona, How far does his center of mass move up as he makes the jump
An object is 20 cm to the left of a lens of focal length 10 cm. What is the distance between the original object and the final image
A student throws a water balloon vertically down from the top of a building. The balloon leaves the thrower's hand with the speed of 16 m/s. How fast is it traveling after 2.6 seconds.
two balls are moving along a frictionless table and collide. ball 1 has a mass of .600 kg and ball 2 has a mass of .400
Fig. 23-1 shows equipotentials surrounding a pair of charges QA and QB. The value of the potential half-way between the charges is indicated. Which of the statements below applies to the charges?
A high-speed lifting mechanism supports a 875-kg object with a steel cable that is 33.0 m long and 4.00 cm2 in cross-sectional area. Determine the elongation of the cable
suppose that a 1.00 cm3nbspbox in the shape of a cube is perfectly evacuated except for a single particle of
A partly-full paint can has 0.79 U.S. gallons of paint left in it. What is the volume of the paint and how thick is the layer of wet paint
two particles with Q1=50uc and Q2=84uc are initially separated by a distance of 2.3m, what is the change in electric potential energy
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