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A tube with a cap on one end, but open at the other end, has a fundamental frequency of 130.7 Hz. The speed of sound is 343 m/s. a) If the cap is removed, what is the new fundamental frequency of the tube? (b) How long is the tube?
A car drives over a hilltop that has a radius of curvature 120 m at the top of the hill with a speed of 20.0m/s. What is the normal force felt by the car tires
Two submarines are moving towards each other in a portion of the Atlantic Ocean where the water is calm. Sub A is moving at 14.0 m/s, What frequency does sub B detect
a harmonic sound of wavelength 40cm is resonating in the first overtone of an organ pipe which is closed at one end and open at the other. what is the length of the pipe
A person pushes a 12.3-kg shopping cart at a constant velocity for a distance of 16.5 m on a flat horizontal surface. calculate the work done by the pushing force
A 43 power refracting telescope (wherepower is the angular magnification) has an eyepiece with a focallength of 4.2 cm. How long is the telescope
The position of a 60-gram golf ball sitting on a teeis determined within +- μm. how far would the ball move in a year
A 5cm radius sphere is filled with a uniform volume charge with charge density 2.3\times10-6C/m3, Calculate the electric flux out of the surface of the cube
a point charge 6q is located at the origin and a point charge -3q is located on the x-axis at d 0.447 m. at what
Water flowing through a garden hose of diameter 2.79 cm fills a 21.0-L bucket in 1.10 min. What is the speed of the water leaving the end of the hose
A flat puck with mass M=.10kg is rotated in a circle with radius R=.20 m on a frictionless air-hockey tabletop at constant speed. then what is the weight G=mg of the dangling block
a car travels around a curve at a constant speed of 83.0 kmh. what is the cars instantaneous velocity at an instant
The 0.0030 Joule of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 millimeter apart. Find the electric field energy density between the plates
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