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A satellite circles the earth in an orbit whose radius is 3.62 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and its radius is 6.38 x 106 m. What is the period of the satellite?
Two parallel slits are illuminated by light composed of two wavelengths. One wavelength is ?A = 630nm. The other wavelength is ?B and is unknown. What is the unknown wavelength
An 8.66g bullet is fired into a 260g block that is initially at rest at the edge of a table of h = 1.07 m height, What is the initial horizontal velocity of the block as it flies off the table
Starting from its nest, an eagle flies at constant speed for 4.0min due east, then 4.2min due north. How long is the eagle in the air
q1. a child is sliding on a sled at 1.6 rm ms to the right. you stop the sled by pushing on it for 0.80 rm s in a
The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
A rocket with an initial mass of 1 000 kg adjusts its thrust by varying the rate at which mass is ejected. at what rate is mass being ejected at that instant
A person pulls a 5 kg sled by a rope across (nearly frictionless) ice. The rope (and therefore the force) is oriented 40 degrees above the horizontal. What is the horizontal acceleration of the sled
How much time after engine failure will elapse before the rocket comes crashing down to the launch pad?
A basketball rolls without slipping down an incline of angle ?. The coefficient of static friction is ?s. Model the ball as a thin spherical shell. Find the frictional force acting on the ball
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. What is the mass of this canister
In a particular region of the earth's atmosphere, Calculate the volume charge density of the atmosphere assuming it to be uniform between 258 and 402 m. Neglect the curvature of the earth
What value of capacitance will ensure that an output voltage stays within 3 percent of the rated 22v . find an electric field between them and surface charge density on the plate.
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