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Question 1. A river 100m wide and 3m deep has an average bed of 0.0005.estimate the length of GVF profile produced by a low wier which raises the water surface just upstream of it by 1.5m and n=0.035.
Question 2. A rectangular channel is laid on a slope of 1 horizontal and 0.15 vertical when discharge of 11m3/s width is passed at adepth of 0.7m a hydraulic jump is known to occur at a section.calculate the sequent depth,length of jump and the energy loss in the jump. what would be the energy loss if the slope is zero?
Question 3. A hydraulic jump takes place in horizontal triangular channel having side slope of 1.5H: 1V.The depth before and after the jump are 0.3m and 1.2m respectively. Estimate:
A.Flow rate
B.Froude number
C.Energy loss
Demonstrate that flows Fi and F& can be controlled with v1, v3, and v4. Discuss reasons for selecting two of these three valves.
Find the electric energy density between the plates of a 225-muF parallel-plate capacitor. The potential difference between the plates is 385V
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the vertical force
If 1,000 gallons per minute (gpm) of water are flowing through a 4-inch (inside diameter) pipe, what is the average velocity of the water in the pipe
A diver stands on a diving board as shown in attached diagram. The centre of gravity of the diving board is marked CG. If the force of gravity on the diver is 528N and the force of gravity on the board is 372N, how much force does support X exert ..
A circular armature coil is used in a motor with a uniform magnetic field of 1.80 T. The coil has a diameter 95 cm, how much current is flowing throught the motor
A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the skateboarder is v = (4.6m/s )x, find the work the rope does on the bicycle
Assuming all the heat from the stove goes into pot and its contents, how long does it take for the pot to vaporize?
A 2.0-C charge moves with a velocity of (2.0i + 4.0j + 6.0k) m/s and experiences a magnetic force of (4.0i – 20j + 12k) N. The x component of the magnetic field is equal to zero. Determine the y component of the magnetic field.
If your boat weighs 1200N, how much water will it displace when it is floating motionless at the surface of a lake
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension, What is the wave propagation speed on the guitar strings
A bullet of mass 7.7 g is fired into aninitially stationary block and comes to rest in the block. The block, of mass 1.21 kg, is subject to nohorizontal external forces during the collision with the bullet.After the collision, the block is observe..
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