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Water flows in a vertical pipe of 0.15 m diameter at a rate of 0.25 m3/s , and has a pressure of 250 kPa at an elevation of 25 m. Determine the velocity head and pressure head at elevations of 20 m and 50 m.
A viewing window in the Atlanta aquarium is 50 inches wide and 50 inches high. what is the outward force on the window
a standing wave oscillating on a string at frequency f_0. How many antinodes will there be if the frequency is increased to 3f_0
An Earth satellite's elliptical orbit ranges from 300km to 840km altitude. At the high point, it's moving at 7.29km/s. How fast is it moving at the low point
You and a friend are studying late at night. There are three 150 W light bulbs and a radio with an internal resistance of 79.0, How much electrical power are you using
A 65 diver stands at the end of a 27 springboard. What is the magnitude of the vertical force exerted by the hinge on the board
In a ballistics test, a 25.00 g bullet travelling horizontally at 1300m/s goes through a 20.00 cm thick 450 kg stationary target and emerges with a speed of 800m/s. The target is free to slide on a smooth horizontal surface. How long is the bullet..
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
A 1 mL syringe has an inner diameter of 4.0 mm, a needle inner diameter of 0.220 mm, and a plunger pad diameter (where you place your finger) of 1.20cm.
A (20.1+/- 0.2)ohm resistor is connected in parallel with a (39.9+/- 0.4)ohm resistor. The resistors are connected to a (2.90+/-0.03)V battery, Calculate the total current in the circuit
In the circuit on the right, a light bulb, two batteries, and five resistors are wired to form a circuit. For the following question, assume the color codes on resistors are not accurate (that is, use stated values) and assume each battery has 4.75 ?..
A crate is sliding down a ramp that is inclined at the angle of 33° above the horizontal. The coefficient of kinetic friction between the crate and the ramp surface is 0.479. Find the acceleration of the moving crate.
A 200 g block attached to a horizontal spring is oscillating with an amplitude of 2.0 cm and a frequency of 4.0 Hz. What is the new amplitude
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