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A storage tank contains mass M of oxygen (O2) at an absolute pressure of P and temperature T. Another tank of the same volume contains the same mass of CO2 at the same pressure. What is the temperature in the CO2 tank? ( the combined numbers of protons and neutrons in atoms of C and O are 12, and 16, respectively).
On a laboratory air table, a puck moving due north at 3.5 m/s collides with an iddentical puck moving at 2.0 m/s, 45 degrees S of W. What is the speed and direction of the second puck
A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.4 m/s2. If the tension in the cord is 86 N, what is the lamp's mass
a mine car mass 474 kg rolls at a speed of 0.368 ms on a horizontal track as the drawing shows. a 103-kg chunk of coal
Determine what is the maximum speed that a car can travel around an unbanked curve of radius 45 m
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 8.0R1 is far from sphere 1 and initially uncharged. what fraction of qends up on sphere 1
A variable-speed drill, initially turning at 250 rpm, speeds up to 1300 rpm in a time interval of 0.1 s. What is its average rotational acceleration
A 285-kg stunt boat is driven on the surface of a lake at aconstant speed of 13.5 m/s toward a ramp, which is angled at25.0° above the horizontal. The coefficient of friction betweenthe boat bottom and the ramp’s surface is 0.150, and theraised end o..
A currentI flows in a semi-infinite straight wire along y= 2b, z = 0 from very large positive values of x to the point (0,2b,0), then around a semicircular wire centered upon (0,b,0) in negative values of x to the point (0,0,0), then along a second s..
Sodium-24, which is used to locate blood clots in the human circulatory system, has a half-life of 15.0 hours. Calculate the mass of the remaining sodium-24
Charge q1 = 6.01·10-8 C is placed at the origin. Charges q2 = -1.33·10-8 C and q3 = 1.75·10-8 C are placed at points (0.185 m,0 m) and (0 m,0.211 m), Determine the magnitude of the net electrostatic force on charge q3
the speed of sound in air is 331 ms. during the next thunderstorm try to estimate your distance from a lightning bolt
A tuning fork generates sound waves by a frequency of 248 Hz. The waves travel in opposite directions along a hallway, are reflected by walls, and return. The hallway is 46.0 m long and the tuning fork is located 14.0 m from one end.
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