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A high pressure tank contains 1 kmol of methane at T=248.3 K and p= 139.2 bar.
a) What is the volume of the tank?
b) What is the mass density of methane at these conditions?
An archer pulls her bowstring back 0.432 m by exerting a force that increases uniformly from zero to 227 N. What is the equivalent spring constant of the bow
Water is pumped into a storage tank from a well delivering 19.0 gallons of water in 26.0 seconds through a pipe of 1.00 in.2 cross-sectional area. What is the average velocity of the water in the pipe as the water is pumped from the well?
Light from an argon laser strikes a diffraction grating that has 5395 grooves per centimeter. Determine the wavelength of the laser light
A speedboat starts from rest and accelerates at +2.32 m/s2 for 6.78 s. At the end of this time, the boat continues for the additional 5.34 s with an acceleration of +0.677 m/s2. Following this, the boat accelerates at -0.686 m/s2 for 8.68 s.
When rebuilding her car's engine, a physics major must exert 450 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
A uniform disk of radius 0.517 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
A piece of iron is heated to 900?C. What is the median wavelength of its blackbody radiation
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 205 N/m. Find the spring constant of spring 2.
During a circus performance, a 70.3-kg human cannonball is shot out of an 15.4-m-long cannon. determine the average net force exerted on him in the barrel of the cannon
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 920 kg cdot m^2. The platform rotates without friction with angular velocity 0.85 rad/s. The person walks radially to the edge ..
what the effects of electronic games on children - What were pros and cons of the research method(s) that was/were used and was the topic significant and relevant to education? Why/why not?
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