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A sound is set up in a pipe closed at one end and open atthe other. According to the formula given by Dr. Willis in class,when n=3 how much of a wavelength is in the pipe?6wavelengths3wavelengths1.5wavelengths1.25wavelengths0.75wavelengths
The solar panels on the roof of a house measure 4.0 m by 5.2 m. Assume they convert 12% of the incident EM wave's energy to electrical energy. What average power do the panels supply when the incident intensity is 1.0 kW/m2 and the panels are perpe..
An infinitely long, hollow, rectangular pipe runs parallel to the x axis in the xy plane spanning a width y=0 to y0, and a height z=0 to z0. find an expression for the potential inside the pipe
You kick a 2.3 kilogram football straight into the air with a force of 50 Newtons. If your foot traveled 150 centimeters when kicking the ball calculate the work done on the football
The roof makes an angle of 23 degrees with the horizontal. If the edge of the roof is 10 meters high, clarify how far from the base of the house the basketball hits.
A stunt man (82.0 kg) swings across a valley at the end of a 25.6 m long rope. Find the tension in the rope at the bottom of the swing
The speed v of sound waves in air depends on the atmospheric pressure P and density r of the air. By using the method of dimensional analysis, find an expression for v in terms of P and r.
A crystal is irradiated with X-ray photons with energies of 1.65 × 10-15 J. At what angles of incidence will the X-rays reflect from the crystal
Find the diameter of an aluminum rod that would conduct heat at the same rate as a 2.816 cm diameter copper rod of the same length
A system gains 1700 J of heat, while the internal energy of the system increases by 6650 J and the volume decreases by 0.00943 m3. Assume the pressure is constant and find its value.
A square plate of copper with 35.0-cm sides has no net charge and is placed in a region of uniform electric field of 60.0 kN/C directed perpendicularly to the plate. find the total charge on the positive face of the plate
A pump is used to empty a 6000{\rm L} wading pool. The water exits the 2.5-cm-diameter hose at a speed of 2.0{\rm m}/{\rm s}
Water is moving with a speed of 5.4 m/s through a pipe with a cross-sectional area of 4.8 cm2. What is the speed at the lower level
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