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1. Water flows upstream of a hydraulic jump with a depth of 0.5 m and a velocity of 6 m/s. Determine the depth of the water downstream of the jump.
2. The water depths upstream and downstream of a hydraulic jump are 0.3 and 1.2 m, respectively. Determine the upstream velocity and the power dissipated if the channel is 50 m wide.
During an etiquette class, you walk slowly and steadily at 0.20 {\rm{ m/s}} for 2.5 {\rm m} with a 0.75 {\rm kg} book balanced on top of your head
Light shines through a single slit whose width is 5.8 x 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 4.3 mm. What is the wavelen..
a 65 kg man in a 5.9 kg chair tilts back so that all his weight is balanced on two legs of the chair. assume that each
a 120 g copper calorimeter cup contains 220 cm3 of water and 35 g of ice all in thermal equilibrium. a 185 g piece of
In lab you find that a 1-kg rocksuspended above water wights 10 N. when the rock issuspended beneath the surface of the water , the scale reads8N.
A piano tuner hears one beat every 2.16 s when trying to adjust twostrings, one of which is sounding 443 Hz, so that they sound thesame tone. How far off in frequency is the other string?
A thin film of oil covers the surface of a glass of water. White light is incident on the top surface. A red spot is observed when viewed normal to the surface.
Cloud droplets cannot grow into rain droplets by condensation alone. How would you have to alter the basic assumption of this example to make cloud droplets grow to raindrops by condensation only?
An electron with speed v0 =4.16×106m/s is traveling parallel to and along the same direction as an electric field of magnitude E = 7.90×103N/C, How far will the electron travel before it stops
why to Assume charge 1 is located at the origin of x axis. A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 30.6 m. After what time interval does it strike the ground.
A cord of length 1.3 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. (a) What is the frequency of the fundamental oscillation? Hz (b) What tension is required if the n = 3 mode has a frequency of 0.60 kHz? N
Assume an effective friction coefficient of 0.15 for the trailer. Include a free body diagram.
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