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A satellite, moving in an elliptical orbit, is 357 km above Earth's surface at its farthestpoint and 184 km above at its closest point.
a) Calculate the semimajor axis of the orbit.b) Calculate the eccentricity of the orbit.
A 9.00 kg box hangs in static equilibrium. Find the tension in each rope. T1 on the left makes an angle of 15 degrees below the horizontal and is attached to the 9.00 kg box
A spherical water drop 3.7 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 12100 N/C. find the magnitude of the gravitational force on the drop
A uniform 2 kg cylinder of radius 0.15m is suspended by twostrings wrapped around it. obtain the acceleration of the center of mass of the cylinder
A potter's wheel having a radius 0.49 m and a moment of inertia 10.9 kg·m2 is rotating freely at 52 rev/min. Find the effective coefficient of kinetic friction between the wheel and the wet rag
what mass of water at 27.0 degc must be allowed to come to thermal equilibrium with a 1.59-kg cube of aluminum
A 297-kg motorcycle is accelerating up along a ramp that is inclined 30.6° above the horizontal. Find the magnitude of the motorcycle's acceleration
Starting from rest, a boat increases its speed to4.12 m/s with constant acceleration. What is the boat's average speed? If it takes the boat 4.62 s to reach this speed, how far has it traveled?
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
A 47.0g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.6 m. neglect air resistance and determine the kinetic energy of the ball at its highest point.
a cello string vibrates in its fundamental mode with a frequency of 267 vibrations per second. the vibrating segment is
Two point charges have a total charge magnitude of 576 µC. When placed 1.19 m apart, the force each exerts on the other is 20.2 N and is repulsive. What is the charge magnitude on each? Please include solution.
A portable electric heater uses 22 A of current. The manufacturer recommends that an extension cord attached to the heater, What is the smallest radius of copper wire that can be used in the extension cord
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