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The planet Uranus has a satellite, Ariel, which travels in an orbit of radius 1.910×108 m with a period of 2.52 days. Calculate the mass of Uranus from this information.
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
A metal wire of mass m slides without friction on two horizontal rails spaced a distance d apart.the track lies in a vertical uniform magnetic field B. A constant current i flows from generator G along one rail across the wire and back down the other..
Two runners are racing to a turn-around point 6 km away and then back to the starting point. Which runner wins and by how much
A typical fighter pilot can withstand a sustained force equal to seven times his weight before losing consciousness. What is the smallest radius turn that he can make
mars has a mass of about 6.4x10^23 kg, and its moon Phobos has a mass of about 9.6x10^15 kg. how far apart are mars and Phobos
19 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5atm; v1 = 32 10^3m3) to a state of (p2 = 17atm; v2 = 9 10^3m3 ). The compression is such that the system moves along a str..
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period
A hydrogen atom is in its n = 8 excited state. Determine, according to quantum mechanics, find the total energy (in eV) of the atom
An atom in a metastable state has a lifetime of 6.20 ms. What is the uncertainty in energy of the metastable state
Elm Street has a pronounced dip at the bottom of a steep hill before going back uphill on the other side. Sitting on the scale while the car is parked gives a reading of 588 N. Analyze your data, using a graph, to determine the dip's radius of curv..
An electron is projected vertically upward with a speed of 1.50 * 10^6 m/s into a uniform magnetic field of 0.200 T, What is the radius of motion
While a person is walking, his arms (with typical lengths 70 cm measured from the shoulder joint) swing through approximately a 45 degree angle in 0.5 sec. What force would the blood vessel exert
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