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A 125 g aluminium cylinder is removed from a liquid nitrogen bath, where it has been cooled to 196° C. The cylinder is immediately placed in an insulated cup containing 102 g of water at 15.0° C. What is the equilibrium temperature of this system? If your answer is 0° C, decide the amount of water that has frozen. The average specific heat of aluminium over this temperature range is 653 J/ (kg · K).
The 1.1 kilogram block is tied to the wall with rope. It sits on the top of the 3 kilogram block. Determine what is the acceleration of the 3 kilogram block
The energy for the 5P valence electron in indium (Z=49) is -5.79 electron volts. What is the effective nuclear charge experienced by this electron
Two point charges 3.0cm apart have an electric potential energy -130?J, find the lesser and greater charge
find out where the coyote lands in the canyon.
n 1730 kg car stopped at a traffic light is struck from the rear by a 865 kg car. The two cars become entangled, what is the change in kinetic energy
They want to dock, which means they have to arrive at the same position at the same time with zero velocity. (a) What should the initial velocity of the second spacecraft be? (b) Illustrate what should be its constant acceleration?
During a particular thunderstorm, the electric potentialdifference between a cloud and the ground is Vcloud -Vground = 1.3 x 108 V, What is the change in an electron's potential energy
A transport plane flies horizontally with a fix velocity of160 m/s, at a height of 2000 m. Find how far ahead of the marker does the tank hit the ground
Calculate each star's speed, and state whether it is moving toward or away from us.
he rate P at which a star radiates energy in the form of electromagnetic waves can be calculated using the equation, Calculate a numerical value for the intensity of sunlight
A square coil of wire with 17 turns is in a magnetic field of 0.11 T. Find the area of one turn if the field is perpendicular to the plane of the coil
A pole vaulter vaults over the bar and falls onto thick padding. He lands with a speed of 9.8m/s; the padding then brings him to a stop in a time of 0.40s. What is the average force on his body due to the padding during that time interval? Express..
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