How much heat must be added to aluminum to change
How much heat must be added to .45 kg of aluminum to change it from a solid at 130 degrees celsius to a liquid at 660 degrees celsius? the latent heat of fusion for aluminum is 4.0 x 10^5 J/kg.
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How did Asian Empires change from the early modern period to the modern era?
A spherical shell of mass 2.7 kg and radius 5.0 cm is given a charge of -7.0 mC and is held fixed in space. A second small spherical ball is brought to a spot 3 cm from the surface of the shell, released and moves away. The ball is small enough to
A 0.10Kg bullet is fired into a stationary 5.0Kg block of wood. The bullet sticks in the wood and they both move back together with a velocity of 0.600m/s. What was the original speed of the bullet?
The masses of the three blocks are m1 = 15 kg, m2 = 27 kg, and m3 = 50 kg. The pulling force is equal to T3 = 18 N. What is the acceleration of the system?
A fighter plane flying at constant speed 320 m/s and constant altitude 12000 m makes a turn of curvature radius 1900 m. On the ground, the plane's pilot weighs (83 kg) (9.8 m/s2) = 813.4 N. What is his/her apparent weight during the plane's turn?
Compare the New Deal of the 1930s to current government programs designed to stimulate the economy and explain which program you believe (was) (is) more effective in restoring economic recovery.
A proton moves with a speed of 3.10 106 m/s horizontally, at a right angle to a magnetic field. What magnetic field strength is required to just balance the weight of the proton and keep it moving horizontally? Answer in units of T.
Describe your local and surrounding ecologies and environments. List the specific factors that distinguish your local ecology and environment.
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