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The West Antarctic ice sheets (some 0.83 million km2 and only 6% of the total Antarctic ice surface) have an average thickness of 2.1 km,. If this ice were to fall into the sea due to melting because of global warming, estimate the resulting sea level rise if the oceans cover 71% of the surface of the ocean. Assume the radius of the Earth is 6353 km.
A string is wrapped around the disk of mass m = 1.8 kg and radius R = 0.11 m. Starting from rest, you pull the string with a constant force F = 8 N along the nearly frictionless surface. At an instant when the center of the disk has moved a distan..
A block of mass m = 3.07 kg is attached to a spring (k = 29.3 N/m) by a rope that hangs over a pulley of mass M = 6.14 kg and radius R = 8.81 cm. find the maximum extension of the spring
A weather satellite encircles the earth at an orbital speed of 6200 m/s. How high above the earth's durface does it orbit
For the definitions please include the equations to: Give a definition of the moment of inertia and Give a definition of the torque as a vector. Briefly describe torque
The 14th stage of the 2002 Tour de France was 221 km in length. The last 38 km is a tough, roughly steady, climb up Mount Ventoux and Lance and Richard are vying to win. What was Lance's speed (km/h) over the last 6 km
The density of a 3.0-m long rod can be described by the linear density function ?(x) = 125 g/m + 13.0x g/m2. Determine the total mass of the rod
A 357-g object is attached to a spring and executes simple harmonic motion with a period of 0.220 s. If the total energy of the system is 4.79 J, find the following. (a) the maximum speed of the object m/s (b) the force constant of the spring N/m (c)..
A television screen is illuminated using a beam of electrons traveling at 7.50×106 m/s in a 1.75×10?2 T magnetic field. find the direction of the acceleration of the electron
An apparatus that liquefies helium is in a room maintained at 306 K. If the helium in the apparatus is at 4.0 K, what is the minimum ratio Qto/Qfrom, where Qto is the energy delivered as heat to the room and Qfrom is the energy removed as heat from t..
A meterstick (L = 1 m) has a mass of m = 0.121 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at the 75 cm mark. What is the tension in the left string?
The mean lifetime of muons in their rest frame is 2.20 ?s. What is the mean distance traveled before it decays
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 455 Hz. Determine the ambulance's speed from these observations.
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