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Two adjacent natural frequencies of an organ pipe are determined to be 351 Hz and 405 Hz. (Assume the speed of sound is 343 m/s.) (a) Calculate the fundamental frequency of this pipe. Hz (b) Calculate the length of this pipe. m
You have a circular swimming pool with a diameter of 3.60 m. If you pump water into the pool at a rate of 1.87 x 104 cm3/s, how fast is the level of the water rising
A hockey puck impacts a goalie's plastic mask horizontally at 118 mph and rebounds horizontally off the mask at 50mph. with what speed will the goalie move
A 100 Ohm resistor dissipates heat to its surroundings, isothermally. The resistor maintains a constant temperature of 300 K. How much energy does the surroundings absorb
You are working for a shipping company. Your job is to stand at the bottom of a 5.9 -long ramp that is inclined at 45 above the horizontal. You grab packages off a conveyor belt and propel them up the ramp.
Assume the sound speed in air is 343 m/s. A parachutist leaps from a hovering helicopter and after 3.1s of free fall shouts back toward the helicopter
A rocket moves upward, starting from rest with an acceleration of 32.0 m/s2 for 4.32 s. How high does it rise above the ground
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A spherical capacitor contains a solid spherical conductor ofradius 0.1 mm with a charge of 3.7 microCoulombs, compute the electric field everywhere
The position of a particle is given by the expression x = 4.00 cos (2.00?t + ?/4), where x is in meters and t is in seconds. Determine the position of the particle at t = 0.350 s
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 horizontal force in N
An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two pillars 1.60 m apart, Find the force exerted by pillar B on the board
The earth orbits the sun in an approximately circular orbit of radius 1.496 1011 m (about 93 million miles) in a period of 365 1/4 days. Use these data to determine the mass of the sun
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