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A microphone is located on the line connecting two speakers that are 0.514 m apart and oscillating 180° out of phase. The microphone is 2.17 m from the midpoint of the two speakers. What is the lowest frequency that produces an interference maximum at the microphone's location? Use 343 m/s as the speed of sound. What is the next highest frequency that produces an interference maximum at the microphone's location?
What is the magnitude of the force (in N) the second child must exert to keep the door from moving? Assume friction is negligible.
An observation satellite orbits the planet at a height of 1000 . What is the projectile's speed as it passes the satellite?
Write the Ampere's Law for a path that surrounds both conductors
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
submarine on the ocean surface receives a sonar echo indicating an underwater object. The echo comes back at an angle of 20 degree above the horizontal and the echo took 3.04s to get back to the submarine What is the object's depth?
Gas is confined in a tank at a pressure of 12.6 atm and a temperature of 23.0°C. what is the pressure of the gas remaining in the tank
Three blocks, each of mass 12 kg are on the frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction as shown at a rate of a = 1.1 m/s2. What is the net horizontal force on b..
During this experiment the first step in the procedure was the measurement of the string's mass and total lenght, Calculate lthe linear mass density of the string in g/cm
The distance from the human eye lens system and the retina is typically 19.0 mm. What is the focal length of the eye lens system for a relaxed eye
A 2m3 balloon filled with helium at sea level climbs to 10,000 m. The temperature at sea-level is 20C, What is the volume of the balloon at 10,000 m
What centripetal force will the ride exert. How far should the stone fall so that the pulley has 6.50 J of kinetic energy.
Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of acceleration is less than 250m/s2.
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