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A steel tank contains 314 g of ammonia gs (NH3 with molar mass 17.0 g/mol) at a pressure of 1.55 x 106 and a temperature of 51.4oC.
(a) What is the volume of the tank in liters?
(b) Later the temperature is 45.5oC and the pressure is 0.975 x 106 Pa. How many grams of gas have leaked out of the tank? (Ignore the thermal contraction of the tank.)
As observed from Earth, rocket Alpha moves with speed 0.802c and rocket Bravo travels with a speed of 0.692c. What is the speed of rocket Alpha as measured from rocket Bravo
A block of mass 1.00kg slides along a horizontal table with speed V0 = 2.50m/s. How far did the spring compress when the block first momentary comes to rest
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, Estimate the work done by the snow in bringing him to rest
A uniform rod of mass 3.05×10?2kg and length 0.350m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod after the rings leave it
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 5.0 Wb from 14.0 Wb in a time of 0.020 s. What is the resistance of the wire
Nichrome wire of cross-sectional radius 0.791 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
Nerve propagation in your body occurs when large electric field in the cell membranes on neurons (?1.0×107 N/C) cause ions to move through the cell walls. What is the acceleration that the ion can get from this electric force
The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12 cm. Evaluate the initial speed of the bullet. V = 530 m/s
A microscope has an eyepiece of focal length 2.10 cm and an objective of focal length 4.10 cm. How far from the eyepiece is the image formed by the objective
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
An airplane wing is designed so that the speed of the air across the top of the wing is 299 m/s, What is the lifting force on a wing of area 21.0 m2
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