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Question 1: A tapered, pressurized tank for a rocket contains 0.250 m3 of kerosene, with mass 205 kg. The pressure at the top of the kerosene is 1508 mmhg. The kerosene exerts a force of 16.4 kN on the tank's bottom, which has an area of 0.0700 m2.
Find out the depth of the kerosene
Assume that you need to transfer 4689860 J of energy in ten minutes between the two reservoirs. What should the cross-sectional area of the steel rod
Please describe in details one device, vehicle, etc. that works on one or several capacitors. What are the advantages/disadvantages for using capacitors vs. chemical batteries. Has any airplane worked on capacitors, provide a detailed description ..
A 50 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.2*sin( 3.1415*t), What is the maximum Kinetic Energy of the mass
Consider a heavy particle of mass m is place at the top (on the outside side, not inside) of a vertical hoop of radius R and mass M. find the location of the hoop center X as a function of angle theta of the falling particle
Two equal, positive charges, q=2.0µC are located on the x-axis, one at+0.3m and the other at -0.3m. Find the magnitude and direction of the resultant (net) force on Q
What is the total time the rock spends in the air? What is the velocity of the rock the moment before it returns to the student's hand? explaination please
Pluto makes one complete orbit of the Sun every 248 years. Calculate the radius of the orbit of Pluto
The motion of the 3-in.-radius cylinder is controlled by the cord shown. Knowing that end E of the cord has a velocity of 12 in./s and an acceleration of 19.2 in./s2, both directed upward, determine the accelerations of points C and D of thecylind..
a small sphere of radius r1 and charge q1 is enclosed by a spherical shell of radius r2 and charge q2. show that if q1
A cylinder of mass10.0kg rolls without slipping on a horizontal surface. What is the rotational kinetic energy about its center of mass
A electron emits radiation of wavelength 255 nm Calculate the maximum kinetic energy of the electron ejected, Calculate the de Broglie wavelength of the ejected electron
A 123-kg care package with a parachute is dropped from an airplane and reaches a terminal speed of 5.00 m/s, What is the rate of work done by the air resistance
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