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Assume that 1cm^3 contains 25 drops of water. Remember that this is an order-of-magnitude problem.How many drops of water are in all the oceans on earth?
Galaxy B moves away from galaxy A at 0.505 of the speed of light. Galaxy C moves away from galaxy B in the same direction at 0.747 of the speed of light.How fast does galaxy C recede from galaxy A.&nb
determines the length of the short axis of the galaxy A to be 2.9 × 1017 km. What would the length of this axis be as measured by an observer living on a planet within the galaxy A
Using a mass-damper model for this system, draw the system diagram and set up the differential equation for the velocity v1 of the vehicle.Evaluate m and then estimate b by using a graph of the data g
kinetic energy and overall force a human head would absorb if they were broadside t-boned by an 80,000 pound tanker that was moving 45 miles per hour and that head absorbing party was in a 2000 pound
derive an expression that relates the temperature in degrees X to the temperature in degrees C.What temperature difference in X degrees does a temperature change of 1 C degree correspond to? What
A 13 m ladder whose weight is 249 N is placed against a smooth vertical wall. A person whose weight is 959 N stands on the ladder a distance 1.2 m up the ladder.The foot of the ladder rests on the ?oo
A 592.5 N window washer is standing on a uniform sca?old supported by a vertical rope at each end. The sca?old weighs 174.8 N and is 4.28 m long. Assume the window washer stands 1.38 m from one end.Wh
transfer to the chamber occurs at a rate of ? kJ/s, determine the mass flow rate of refrigerant gas entering the chamber, in kg/s.
Steam at 60 bars and 540°C is expanded to 5 bars, where a portion is bled to an open feedwater heater. The remaining portion is reheated to 500°C and then expanded to 0.08 bar. (b) Steam
Air passes steadily through a device from 20 psia and 80°F to 40 psia. During the process a work input of 24.2 Btu/lb is required, and a heat loss of 7.0 Btu/lb occurs with the energy appearing in
On a sphere with radius a there is an electric charche sigma=sigmazero*cos(theta). Determine the electrostatic potential for all points on the z-axis. (solve with integral over R^3 dV* chargedistribut
At a point P, the electric field is 71 N/C at 22 degrees clockwise from the positive x axis. A particle of mass 1.5 kg and charge 0.17 C is located at P. Find:the magnitude of the force on the particl
Statistic, complete solution. to be done on .doc or .pdf or .dox i would like to pay this assignment with my tutors globe credit.
A proton, initially traveling in the +x-direction with a speed of 5.90×105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.18×10?7s
A 12 lbm bowling ball 8.59 inches in diameter is given a spin of 1.0 revolution per second while traveling down the lane at 17 ft per second. Determine the total translational plus rotational kineti
Compute the kinetic and potential energies of an airplane weighing 5.00 tons flying at a height of 30.0 × 103 ft at 500. mph. Give your answer in both SI and Engineering English units. Assume
The potential of a typical storm cloud can be as high as 109 volts. When lightning is produced, a typical lightning strike can produces an electric current of 20,000 amps.Determine the power contain
Determine the units of viscosity, ? ? = ?(du/dy), where ? is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.
Calculate the maximum tensile normal stress acting on the cross-section 8 inches from the left end of the beam. Put your answers in the table shown.Calculate the maximum compressive normal stress ac
What is the magnitude of the electric field produced at P, the center of the circle? State your answer in terms of the given variables, using ?0 when needed
At what (a)x and (b)y coordinates should a third particle of charge q3 = 4.83 ?C be placed such that the net electrostatic force on particle 2 due to particles 1 and 3 is zero?
In the formation of a star a large volume of gas and dust particles contracts due to gravitational pull. Which of the following is/are true of this contracting mass of gas?
The formation of shadows is a consequence of According to the standard model, the fundamental building blocks of the universe are?
A baked potato at 250 degree Celsius and a hot glass of milk at 70 degree Celsius are in a tray in the same room. Choose the statement that is true about the rate at which they cool down?