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The perihelion distance from the sun for the planet Uranus is 2.750E9 km; the aphelion distance is 3.000E9 km.
(A) Calculate the period of revolution around the sun, for the planet Uranus. [Hint: 1 AU = 1.496E8 km.]
(B) Calculate the eccentricity of the orbit of Uranus.
In an ultrahigh vacuum system (with typical pressures lower than 10?7 pascal), find the number of molecules in a volume of 1.70 m3
A thin, light wire is wrapped around the rim of a wheel, The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. what is the mass of the wheel
A block "A" of mass 3 kg on the table is connected to another block "B" of mass 2 kg hanging beneath by a string of negligible mass which passes through the hole. Calculate the unknown angular speed
What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)
An extreme skier, starting from rest, coasts down a mountain that makes an angle of 34.3 ° with the horizontal. How fast is she going just before she lands
Calcualte the radiation dosage (in rads) for a 67-kg person that is exposed to 6.0 seconds to a 3.0 Ci source of beta radiation.
questionnbspnbspfind 3-5 different types of vacuum pumps - explain how they work - explain where you would use them -
An initially motionless test car is accelerated uniformly to 1.20 × 102 km/h in 8.68 seconds before striking a simulated deer. The car is in contact with the faux fawn for 0.455 seconds, after which the car is measured to be traveling at 65.5 km/h..
A hanging mass and the cylindrical, uniform, frictionless pullery have mass M. What is the acceleration of the hanging mass
Heat Q flows spontaneously from a reservoir at 445 K into a reservoir at 265 K. Because of the spontaneous flow, 2620 J of energy is rendered unavailable for work when a Carnot engine operates between the reservoir at 265 K and a reservoir at 248 K. ..
A 535 g ball swings in a vertical circle at the end of a 1.4 m-long string. When the ball is at the bottom of the circle, the tension in the string is 22 N. Illustrate what is the speed of the ball at that point?
A 15 kg box is being pushed across the floor at 1.7 m/s to the right. When the pushing force is removed, find the frictional force exerted on the box by the floor
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