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The mass of Pluto is 1.2x10^22 kg and the radius is 1.15x10^6. What is the mean density. If the mean density of the surface material on Pluto is about that of ice(1000 kg/cubic meter), what, if anything can be deduced about the interior of Pluto from the results of your calculations? Note: The volume of a sphere is (4pie/3)(Radius)^3
At 100 degrees celsius the rms speed of nitrogen molecules is 576 m/s. Estimate the rate of molecular collisions (collisions/s) on this wall
a line of positive charge is formed into a semicircle of radius r 57.1 cm.the charge per unit length along the
A helicopter is ascending vertically with a speed of 5.00m/s . At a height of 120m above the Earth, a package is dropped from a window. Evaluate how much time does it take for the package to reach the ground?
a loaded cart has a total mass of 227kg.if a 312n force acting at an angle of 30degree to the ground is applied. how
A pipe that is closed on one end is 1.2 meters long. What are its fundamental frequency and its first two overtones
As the driver steps on the gas pedal, a car of mass 1 180 kg accelerates from rest. What is the minimum average power output of the engine over this time interval
A solid non conducting sphere of radius r = 14 cm has a charge distribution q(r) ~ 15 nano-C/cubic meter *radius*radius. Discover the total charge on the sphere
Two spherical conductors are connected by a long conducting wire and a total charge of 20.0 μC is placed on this combination. One sphere has a radius of 4.0 cm while the other has a radius of 6.0 cm. Explain the reasoning of the steps that allow you ..
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
A merry-go-round with, radius 3 m rotates freely with an angular speed of 2/pi rev/s. Its kinetic energy is 4000 J. What is the final angular speed of the merry-go-round and the person after the person jumps on
Two thin lenses with a focal length of magnitude 15.0 cm, the first diverging and the second converging, are located 11.3 cm apart. An object 3.20 mm tall is placed 25.0 cm to the left of the first (diverging) lens.
Calculate the rms speed of a molecule of O gas O2 at 20C. Atomic weight of O= 16u
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