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Question1
-What would be direction of the surface winds that would exist in the tropics, mid-latitudes, and Polar Regions if the earth were rotating backward? Describe why the winds would be that direction.
-Would the Hadley, Ferrel, and Polar overturning cells be any different of a backward-rotating earth? Why or why not?
-Where might the equatorial cold tongue be in the tropical Pacific on a backward-rotating earth? Why did you choose this location?
Question2
A sample of radioactive isotopes holds two different nuclides, labeled A and B. Initially, the sample contains same number of nuclei A as B (i.e. the sample composition is A/B = 1). The half-life of A is 3 hours and that of B is 6 hours. What is the expected composition of sample after 18 hours? That is, what would be the value of the ratio A/B between number of nuclei of type A and B?
A glass rod that has been charged to + 17.0nC touches a metal sphere. Afterward, the rod's charge is + 9.0nC
You (height of your eyes above the water, 1.75) are standing 2.00 from the edge of a 2.50--deep swimming pool. You notice that you can barely see your cell phone, that went missing a few minutes before, on the bottom of the pool.
the rms current produced by a single coil of an electric guitar is 0.025A. How large is the maximum instantaneous current
An ideal heat-engine is to be used in an environment where the ambient temperature is 22.50 °C. What must be the minimum temperature of the hot heat reservoir in order to reach at least 46.40 percent efficiency with heat-engine? (Give the answer i..
A volleyball is spiked so that it has an initial velocity of 16.5 m/s directed downward at an angle of 53.1 ° below the horizontal. determine the horizontal component of the ball's velocity
A cylinder is fitted with a piston that is connected to the bottom by a spring. Find the work done by pressure in compressing the spring
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 2100 V/m, Calculate the radius r of the path for a singly charged ion with mass m = 2.29 10-26 kg
A 246 kg wooden raft floats on a lake. When a 80kg man stands on the raft, it sinks 4cm deeper into the water. When he steps off, the raft vibrates for a while.
A 15-kg iron ball is dropped onto a pavement from a height of 80m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C
find out the current in the loop.Determine the rate at which thermal energy is produced.
A newly discovered planet has a mean radius of 7380 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration.
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