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At a point where an irrigation canal having a rectangular cross section is 18.9 m wide and 3.65 m deep, the water flows at 2.55 cm/s . At a point downstream, but on the same level, the canal is 17.0 m wide, but the water flows at 11.0 cm/s. How deep is the canal at this point?
Two metal plates are held together by two steel rivets, each of diameter 0.24cm and length 1.2cm.How much force has to be applied parallel to the plates to shear off both rivets.
Transverse waves travel at 23.3 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 33.3 m/s in the string
A police radar gun emits an electromagnetic wave at a frequency of fs = 1.08×1013 Hz. What is the speed of the oncoming car (v)
Two organ pipes, open at one end but closed at the other, are each 1.27m long. One is now lengthened by 2.00cm. Find the frequency of the beat they produce when playing together in their fundamental.
A ?ghter plane ?ying at constant speed 420 m/s and constant altitude 10000 m makes a turn of curvature radius 2800 m. On the ground, the plane's pilot weighs (62 kg)(9.8 m/s2) = 607.6 N. W
A rescue helicopter lifts a 70.8-kg person straight up by means of a cable. What is the tension in the cable
find out the current in the loop.Determine the rate at which thermal energy is produced.
The 4{rm kg} block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended and the tension in the upper string is 83N.
A system of 1402 particles, each of which is either an electron or a proton, What is the mass of this system
The statue of Isaac Newton is crated and moved from the Oxford Museum of Natural History and Science for cleaning. find the normal force between the ramp and the crate
A diffraction grating is made up of slits of width 290 nm with separation 910 nm. How many maxima are there in the full diffraction pattern
A 80.0cm3 box contains helium at a pressure of 2.30atm and a temperature of 90.0?C. What is the final pressure in each box
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