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During an all-night cram session, a student heats up a (0.7 x 10-3 m3) glass (Pyrex) beaker of cold coffee.Initially, the temperature is 18°C, and the beaker is filled tothe brim. A short time later when the student returns, thetemperature has risen to 92°C. The coefficient of volumeexpansion of coffee is the same as that of water. How much coffee(in cubic meters) has spilled out of the beaker?
A uniform plate of height 1.020 m is cut in the form of a parabolic section. Find the distance from the rounded tip of the plate to the center of mass
Two people with a combined mass of 115 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.24 cm. Find the total load supported by the springs
Car 1 has a mass of m1 = 65000 kg and a velocity of v01 = +0.80 m/s. Car 2 has a mass of m2 = 92000 kg and a velocity of v02 = +1.2 m/s, overtakes car 1 and couples to it. Determine the velocity of their center of mass (a) before and (b) after the co..
Water is flowing through a V-shaped weir, which has a 30° vertex. What is the distance from the surface of the water to the vertex
A mass of 5.10 kg is suspended from a 1.27 m long string. Calculate the angle between the string and the vertical
One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. Determine the final speed of the two-object system
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 187 m. Find the magnitude of the total force on the port
A 0.300 kg hammer is moving horizontally at 6.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. Calculate the duration of the impact
Two radio antennas are separated by 2.00 m. Both broadcast identical 750MHz waves. If you walk around the antennas in a circle of radius 10.00 m, how many maxima will you detect.
A 500 g wooden block is lowered carefully into a completely full beaker of water and floats. What is the weight of the water, in newtons, that spills out of the beaker
What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 375nm
In special conditions, it is possible to measure the energy of a gamma-ray photon to 1 part in 10^15. For a photon energy of of 50 keV, estimate the maximum lifetime that could be determined by a direct measurement of the spread of the photon energy.
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