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Communications satellites are placed in a circular orbit where they stay over a fixed point on the equator. These are called geosynchronous orbits because the satellites have the same period as the earth. The radius of the earth is 6.37x10^6m and the altitude of a geosynchronous orbit is 3.58x10^7m above earths surface. Find average speed of the satellite in geosynchronous orbit. Find the magnitude of acceleration.
A runner accelerates to a velocity of 5.36 m/s due west in 3 s. His average acceleration is 0.64 m/s2, also directed due west. What was his velocity when he began accelerating
In a 290-turn automobile alternator, the magnetic flux in each turn is %u03A6B = 2.50 10-4 cos %u03C9t, Determine the maximum emf in the alternator
An airplane flying horizontally 3600 ft above the ground at 120mi/hh, drops relief aid on the ground. Resolve the angle between the vertical and the line joining plane and target at the instant when he package is released.
Does an apple tree exert a gravitational force on the earth and if so, how large of a force, Consider and explain this question when the apple is attached to the tree
A spectral line from the left side of Saturn's rings, as you see them, Which way (direction) is Saturn rotating, and why
An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.
approsimate the terminal speed of a wooden sphere (density 0.890 g/cm3) falling through air, if its radius is 9.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
A mouse is running away from a cat at 0.75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate of 0.25 m/s2 until he reaches his hole safely. How long a time was required for him to cover the last 1.25 m?
illustrate what force should the second crewman pull so that the net force of the two crewman is in the forward direction?
The power required by an ice maker is 225 W and is the rate at which it does work. The ice maker operates like a refrigerator or an air conditioner and has a coefficient of performance of 3.60.
Three resistors, 23, 45, and 73 ?, are connected in series, and a 0.55-A current passes through them. (a) What is the equivalent resistance? (b) What is the potential difference across the three resistors?
List out five to ten specific things that project managers can do to help manage stakeholders. Provide some examples of successful and unsuccessful relationships with project stakeholders.
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