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Using a highly sensitive parabolic sound collector, Amy records the frequency of a tuning fork as it drops into the Grand Canyon. She drops the vibrating tuning fork from rest at t=0. She records a frequency of 1657.0 Hz at t=6.400 s.
What is the natural frequency of the tuning fork? Use Vsound=343.0 m/s.
A cubical box with sides of length 0.305 m contains 1.760 moles of neon gas at a temperature of 285 K. What is the average rate (in atoms/s) at which neon atoms collide with one side of the container? The mass of a single neon atom is 3.35x10-26 kg
What is the maximum tension. The gastrocnemius muscle, in the back of the leg, has two portions, known as the medial and lateral heads. Assume that they attach to Achilles tendon. The cross-sectional area of each of these two muscles is typically f..
A container with a pressure of 3 atmospheres and a temperature of 200c contains 36 gram of nitrogen. what is the mean distance between molecules, assuming that the container is a cube
A roller coaster starts from rest at the top of an 18m hill. The car travels to the bottom of the hill and continues up the next hill that is 10.0m high
Light has a wavelength of 600nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the WAVELENGTH of the light in the glass
A bumper car with mass m1 = 116 kg is moving to the right with a velocity of v1 = 5 m/s. A second bumper car with mass m2 = 96 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Suppose the surface is f..
A pilot is flying an airplane that is used for aeriel surverying to make a map of ground detail of New Jersey. If the scale of the map is to be 1:50,000 and the camera has focal length of 6in
A 10-? reistor is connected to a 120-V ac power supply. What is the peak current through the resistor
A stone is thrown upward with an inital speed of 20 m/s. What is its acceleration at the higest point of its trajectory, Find its veolocit
A student makes a simple generator by using a single square loop 24 cm on each side. The loop is then rotated at a frequency of 60 Hz in a magnetic field of 0.044 T.
Suppose a 61 kg boy and a 43 kg girl use a mass less rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
Three long wires (wire 1, wire 2, and wire 3) hang vertically. The distance between wire 1 and wire 2 is 20.0 cm.find the magnitude and direction of the current in wire 3
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