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Build the device described here https://www.popsci.com/listen-to-records-with-your-teeth
1) Take a photo of yourself using the device. Be sure we can see both your face and the device. Please attach this photo to your submission. Feel free to share materials with other students in the class in order to defray any costs you may encounter.
2) Given what we learned about sound waves in chapter 7, explain how the device works. How can you be hearing sound without using your ears? Please input this answer as a text submission so that you can attach the photo from question 1.
How far upward does the flea move while it is pushing off
Two vehicles approach each other; both vehicles are moving westward, one at 76 km/h, the other at 62 km/h. Find the magnitude of the velocity of the first vehicle
Consider a parallel-plate capacitor constructed from two circular metal plates of radius R. The plates are separated by a distance of 1.7 mm. What radius must the plates have if the capacitance of this capacitor is to be 1.8 µF?
A uniform thin rod of length 0.9 m and mass 2.6 kg can rotate in a horizontal plane about a vertical axis through its center. find the magnitude of the bullet's velocity just before the impact
Two forces act on a 5.0 kilogram object sitting on a frictionless horizontal surface. Find what is the acceleration of the object
A railroad car of mass 3.3 104 kg moving at 4.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
A 27.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 35.0° with the vertical, Neglecting friction, find the child's speed at the lowest position
makes an angle of 35.2o with the horizontal. In part b the person is looking at the top of the antenna, determine How tall is the antenna
A block of ice of mass 100 g and at 00 C is dropped into 500 g of water at 800 C in a Styrofoam cup. describe the process of each heat loss or gain
From wind tunnel tests under the same flow conditions , the average frictional shear stress on the upper surface is determined to be 0.0625N/m^2. What is the allowable power dissipation from the upper surface of the board if the average surface te..
The smallest insects that a bat can detect are approximately the size of one wavelength of the sound the bat makes. What is the minimum frequency of sound waves required for the bat to detect an insect that is 0.57 cm long? (Assume the speed of sou..
An archer wishes to shoot an arrow at a target at eye level a distance of 49.0 m away. what angle should the arrow make with the horizontal as it is being shot
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