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Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube open at only one end. The other end is closed by the eardrum. A typical length for the auditory canal in an adult is about 3.2 cm. The speed of sound is 347 m/s. What is the fundamental frequency of the canal?
While two forces act on it, a 10 kg particle is to move at a constant velocity v=(6.8m/s)i +(5.2m/s)j. One of the forces is F1=(4.1N)i +(18.5N)j. What is the j component of the other force
A 54kg sprinter, starting from rest, runs 60m in 7.0s at constant acceleration. What is the magnitude of the horizontal force acting on the sprinter? What is the sprinter's average power output during the final 2.5s
A 0.50 microF and a 1.4 microF capacitor (C1 and C2, respectively) are connected in series to a 15-V battery, Calculate the potential difference across each capacitor
Find the image location, circle that point, and label it "I." Measure and record the object distance do and the image distance di. What can you say about the location of the image? Is the image real or virtual?
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.641 rev/s. What is the final angular speed of the merry-go-round
An 850g- iron block is heated to 370C and placed in an insulated container (of negligible heat capacity) containing 41.0g of water at 23.0C a).What is the equilibrium temperature of this system? The average specific heat of iron over this temperat..
birds resting on high-voltage power lines are a common sight. the copper wire on which a bird stands is 2.5 cm in
A 53.26 g sample of a substance is initially at 29.9 °C. After absorbing 2429 J of heat, what is the specific heat of the substance
A pail of water is rotated in a vertical circle of radius1m, what two external forcces act on the water in the pail
Europa, one of the moons of Jupiter, was discovered by Galileo in 1610. Europa has a circular orbit of radius 6.708 105 km and period 3.551 days. Find the mass of Jupiter
A non-linear capacitive displacement sensor is constructed using three plates; two fixed and one moveable. Each plate is ‘Y' width and "L" length. The fixed once are separated by a distance "d" as shown below. Assuming that you can measure the cap..
A very thin bubble is floating in air. If the bubble strongly reflects green light (? = 520 nm), what is the minimum possible thickness of the bubble
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