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In a liquid with a density of 1450kg/m3 , longitudinal waves with a frequency of 390Hz are found to have a wavelength of 7.50m. Calculate the bulk modulus of the liquid.
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him, What is the force of friction between the losing player's feet and the grass
A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.
When only a resistor is connected across the terminals of an ac generator (117 V) that has a fixed frequency, there is a current of 0.490 A in the resistor. calculate the impedance of the series combination
A satellite circles a spherical planet of unknown mass in a circular orbit of radius 1.9 x 10^7 m. If the satellite circles the planet once every 2.1 h in the larger orbit, what is the mass of the planet
A 300-g block is dropped onto a vertical spring with spring constant k =180.0 N/m. find the speed of the block just before it hits the spring
a sound wave traveling in 26 degrees C air has a pressure amplitude of 0.500 Pa. (assume that the density of air is 1.29 kg/m^3). What is the intensity of the wave
A 4x 11 swimming pool slopes linearly from a 1.20 depth at one end to a 3.80 depth at the other. What is the mass of water in the pool.
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. What is the corresponding change on the Fahrenheit scale
two plates of radius R are separated by a distance 2h.the top plate rotates with velocity w. find the velocity as a function of radius r and and height z
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65.00 kg. What is the average power provided by the tension in the cable pulling the lift.
The first nuclear excited state of C12 is 4.439 MeV above the ground state. What is the threshold energy for this scattering reaction
A large block 19.0 cm wide, 20.0 cm long, and 24.00 cm high of mass 4.55 kg. This block is passing through air (density ?air = 1.43 kg/m3). Calculate the terminal velocity of the block
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