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a.) Determine the flux of particles escaping from the exobase of Earth's atmosphere using a number density at the exobase of 10^5 particles/cm^3 and a temperature of 700K.
b.) Using your result in part a, determine the loss rate of particles from Jean's escape in particles per second.
c.) Estimate the total number of particles in Earth's troposphere. Assume the number density at the surface is 10^20 particles/cm^3. (hint: only a rough, order of magnitude approximation is needed)
d) At the loss rate determined in b, how long would it take to lose a number of particles equal to that in the tropophere computed in part c?
Consider a cell that has a magnetic bead attached to it. We will treat the cell as a Kelvin body. Suppose that the magnetic field has been turned on for a very long time and is producing a constant force Fo.
You want to nail a 1.3-kg board onto the wall of a barn. What happens to the force of static friction if you push against the wall with a force greater than that found in part A
A typical nuclear power plant converts 0.01% of the mass of its fuel into energy through nuclear reactions. How much fuel would be needed to power an average city for one day
At what angle to the surface must a diver submerged in a lake look toward surface to see the setting Sun just all along the horizon.
calculate the speed of the block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across the capacitor after the dielectric is removed is measured to be 900 V.
A car wheel in diameter of 30 inches has a linear velocity of 30 mph. The car accelerates for 10 seconds. What is the angular displacement of the car wheel during the 10 seconds of acceleration
A beam of photons that have a wavelength equal to 6.8pm is scattered by electrons initially at rest. What is the change in wavelength of the photons
a plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340m/s. What is the wavelength of the sound wave
a 15 g rubber bullet hits a wall with a speed of 150 m/s. What force did the wall apply to the bullet
How far in front of the cattle should the pilot release the hay so that the bales will land at the point where the cattle are stranded.
A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, Calculate the length of the longer of the two sides of the initial rectangle
Three resistors with values 1.0 , 2.2 , and 5.5 , respectively, are connected in parallel in a circuit with a 5.0 V battery. What is the total equivalent resistance
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