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A cylindrical tank is to be designed to contain 5kg of compressed nitrogen at a pressure of 20MPa and temperature of 25?C. The design constraints are that the inner length must be twice the inner diameter and the wall thickness must be 0.5 cm. What are the external dimensions?
The mass density of an object is 17.3 g/cc, and its volume is determined to be 28.2 cc, What is the mass of the object
A child and sled with a combined mass of 57.0 kg slide down a frictionless slope. what is the height of the hill
A 4.95-kg ball, moving to the right at a velocity of +1.60 m/s on a frictionless table, Find the final velocities of the balls if the collision meet the following conditions
Find out the magnetic field strength
Sirius has a luminosity of 8.4 * 10^27 Watts and a mass of 2.1 times the mass of the Sun, How much hydrogen does Sirius convert into helium each second
An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
Two traveling sinusoidal waves are described by the wave functions, What is the amplitude of the resultant wave, What is the frequency of the resultant wave
A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. what was the original speed of the bullet
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..
Consider a comet in a long, thin elliptical orbit with a semi-major axis of one AU. Illustrate what can you say about the sidereal period of this comet?
The model airplane in Figure 5.6 is flying at a speed of 14.5 m/s on a horizontal circle of radius 18.1 m. The mass of the plane is 0.801 kg, What is the net work done on the plane
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