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A cube of aluminum has an edge length of 20 cm. Aluminum has a density 2.7 times that of water (1 gram/cm$) and a specific heat 0.217 times that of water (1 cal/g °C). When the internal energy of the cube increases by 47000 cal its temperature increases by:
A deuteron particle (the nucleus of an isotope of hydrogen consisting of one proton and one neutron and having a mass of 3.34×10?27 kg) moving horizontally enters a uniform, vertical, How fast was this deuteron moving just before it entered the mag..
A sealed tank containing seawater to a height of 11.1 also contains air above the water at a gauge pressure of 2.95. Water flows out from the bottom through a small hole.
Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 5.02 kg is released from the position shown, Calculate the maximum height to which m1 rises after the elastic collision
Ice at -10.0 °C and steam at 118 °C are brought together at atmospheric pressure in a perfectly insulated container. find the ratio of the mass of steam to the mass of ice
Two rockets approach earth from opposite directions at equal speeds relatie to the earth, How fast are the rockets going with respect to earth
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
a pottery wheel is rotating initially with an angular velocity of 4.0rad/s clockwise. find the direction of the angular acceleration of the wheel
A photon of wavelength .1 nm scatters from a free electron at rest. Find the wavelength of the scattered photon
A person runs with speed v toward a tunnel of length L, When the person and the photon eventually meet, the person's location is a fraction f along the tunnel. What is f
The engine of an aircraft propeller delivers an amount of power 179hp to the propeller at a rotational velocity of 2310rev/min. How much torque does the aircraft engine provide
A suitcase is pulled by a tether that makes a 60 degree angle with the horizontal. what is the magnitude of the pull
You have two capacitors, one with capacitance 18.5 × 10-6 F and the other of unknown capacitance, You discover that, as a result, the unknown capacitor has a charge of 0.00143 C. Find its capacitance
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