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The square, flat plate shown in Fig. P9.45a is cut into four equal-sized pieces and arranged as shown in Fig. P9.45b. Determine the ratio of the drag on the original plate [case (a)] to the drag on the plates in the configuration shown in (b). Assume laminar boundary flow. Explain your answer physically
A frequency generator (a device that produces sinusoidal signals whose frequency and amplitude can be independently set) is used to power a horn. The frequency is set to 2000Hz, and for a particular amplitude the sound intensity is measured to be..
Assume that none of the alpha particles bounced back from the sheet, meaning that the alpha particles either were captured by the shielding or penetrated completely through the shielding.
A car drives up a ramp inclined at 10 degrees above the horizontal,reaching a speed of 40 m/s at the end. It will jump a canyonthat is 101 meters wide. The lip of the takeoff ramp is 201meters above the floor of the canyon.
A long, current-carrying solenoid with an air core has 1550 turns per meter of length and a radius of 0.0165 m. What is the mutual inductance of this system
A mass spectrometer has an adjustable magnetic field. When the magnetic field is 7.000e-2 T, a singly ionizedhydrogen atom (a proton) will strike the detector at a particular location.
A u-tube with constant cross section is partly filled with water. Engine oil of density 0.8g/cm3 is poured into the right arm (without mixing) until the water level rises 2.0cm. The length of the oil column is then.
A 368g oscillator has a speed of 98.5cm/s when its displacement is 2.70cm and 72.0cm/s when its displacement is 5.00cm. What is the oscillator's maximum speed?
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
A charge q = -6.0 µC is moved 0.25 m horizontally to point P in a region where an electric field is 250 V/m directed vertically, as shown. What is the change in the electric potential energy of the charge?
Two 9.0 cm--diameter metal plates are 1.2 cm apart are charged to 12.5 nC . They are suddenly connected together by a 0.218mm, What is the maximum current in the wire
A certain cylindrical drum is 3 meters in height. It filled with with water. Atmospheric pressure is 10^5 Pa, and the density of water is 1000 gl/m^3. What is the water pressure at the bottom of the barrel
An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Determine the orbital period of the satellite
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