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In the troposphere, the part of the atmosphere that extends from the surface to an altitude of about 11 km, the temperature is not uniform but decreases with increasing elevation. The temperature variation is approximated by the linear relation T=T0??y where T0 is the temperature at the earth's surface and T is the temperature at height y. With ?=0.6?C/100m, calculate the pressure p at height y=8863m. Take T0=288K and the pressure at the earth's surface p0=1.00atm
Police determine skid marks 83 m long on the highway showing where the car made an emergency stop. Assume that the acceleration was -10 m/s2 (about the highest for dry pavement), how fast was the car going.
The maximum distance from Earth to the Sun (at our aphelion) is 1.521 x 10^11 m and the distance of closest approach (at perihelion) is 1.471 x 10 ^11 m. Assume the Earth's orbital speed at perihelion is 3.027 x 10 ^ 4 m/s. (overlook the effect of th..
A beam consisting of 8.22x10^16 electrons/sec passes through a region of vacuum. A) What magnetic field would be measured 1.50cm away from the center of the beam?
A railroad boxcar that has " due east" momentum of 15,000 kgm/sec collides with and couples with a similar boxcar that has "due west" momentum of 20,000kgm/sec. After collision, the combination has ( ) kgm/sec total of momentum.
The spring stretches 5.0 cm from its previous equilibrium position toward the two spheres. Calculate the spring constant.
To pump 100Joules of heat from the ice cube tray of freezing water at 273K, out into a hot room at 310 K, the laws of thermodynamics say that you will need at least how many Joules of ordered energy or work.
How many joules of kinetic energy does a 750 automobile traveling at a typical highway speed of 65 have.
Estimate how far from a piece of paper you must hold the lens to produce a sharp image of a streetlight 40 ft. Overhead.
A stone is dropped from the roof of a building; 2.10s after that a second stone is thrown straight down with the initial speed of 18 m/s, and both stones hit the ground at the equal time. How long did it take for the first stone to hit the ground.
What is voltage difference between floor and hover-board
A cowboy at a dude ranch fills a horse trough that is 1.5 m long, 60 cm wide and 40 cm deep. He uses a 2.0cmdiameter hose from which water emerges at 1.5m/s. How long does it take him to fill the trough.
A cylindrical container of inside diameter 0.6 m is filled with gasoline to a depth of 2 m. What is the mass of the gasoline?
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