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A sound wave is traveling in seawater, where the adiabatic bulk modulus and density are 2.3 109 Pa and 1025 kg/m3, respectively. The wavelength of the sound is 3.13 m. A tuning fork is struck under water and vibrates at 435.6 Hz. What would be the beat frequency heard by an underwater swimmer?
A heat engine does 376.88 J of work per cycle while exhausting 648.92 J of heat to the cold reservior. what is the cold reservior temperature in degrees Celsius
Calculate escape velocity for an object started at the surface of the earth, going straight up. Neglect any complications due to the earth turning.
A block of weight W can slide on a horizontal surface. A force of W/n1 is applied to the right that causes the block to accelerate with acceleration equal to g/n2. g is the acceleration by reason of gravity. If the coefficient of kinetic friction is ..
Find the change in speed of a rock thrown straight down from the top of the wall at an initial speed of 7.90 m/s and moving between the same two points
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
What is a gyroscope? Discuess the role of angular momentum in operation of a gyrosope. Provide examples of pratical applications of gyryscopes
The Earth and Moon are separated by about 400 ? 106 m. Suppose Mars is 1.6 1011 m from Earth and forms a right triangle with Earth and the Moon. determine the angular separation of Earth
A protostar has a temperature of 3000 K,radius of 2*10^8 km at stage 4. At stage 6, Calculate the star's change in absolute magnitude as it evolves from stage 4 to stage 6
The distance between 2 slits (d=0.155 mm) and a screen is 1.54 m. If the spacing between the 2nd order bright fringe and the 3rd order dark fringe is 3.50 mm obtain the wavelength of the light
A 32 -tall, 6.0 -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water
You illuminate a slit of width 0.0643 mm with light of wavelength 711 nm, What is the width, in centimeters, of the pattern\'s central maximum
It's generally okay to ignore relativistic effects when a particle's speed is less than 1.0% of the speed of light, Find the accelerating potential difference that will bring electrons to that speed, starting from rest
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