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a satellite orbits the earth a distance of 1.50x10^7m above the planet's surface and takes 4.89 hours for each revolution about the earth. the earth's radius is 6.38x10^6. what is the acceleration of this satellite?
A rock of mass 32kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 274N. What is the magnitude of the acceleration of the rock.
You are to gracefully crawl in the tube and sit calmly in seat without holding on to anything. The cannon will then be raised to an angle such that your speed through the air at your highest point is 10 ft/sec.
A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork while waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
which the tortoise wins in a photo finish? suppose that, when moving, both animals move steadily at their respective maximum speeds.
Suppose a 65 kg person stands at the edge of a 6.5 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1850 kg m2. Calculate the angular velocity of the turntable
A (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table
A thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized. What is the total distance L between object and image
Using the Equation of Hydrostatic Equilibrium, show that if we measure the pressure at the base of the atmosphere, Use the answer in the previous part to write an expression for the total mass of Earth's atmosphere
Estimate the speed of the water just before striking the turbine blades (overlook air resistance).
A stationary particle of charge q = 2.4 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.7 × 103 W/m2. Determine the maximum magnitude of the electric force
A typical incandescent lightbulb has a filament temperature of approximately 3191 K. At what wavelength is the intensity of the emitted light highest
a heat engine operates between a hih temp reservoir at 610K and low temp reservoir at 320K. find the net change in entropy as a result of this cycle
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