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If a communications satellite needs to be 36,000 km above theequator, how fast must it travel to remain at thatheight?
a. Assuming the satellite travels in a perfect circle, what isthe radius of the satellite's travel.
b. At the satellites altitude, the acceleration of gravity is0.222m/s^2, what is teh tangential velocity that the satellite musthave to remain in
orbit/
c. How long will the satellite take to orbit the earth?
A 6kg block sits on a surface with µs=0.5 and µk=0.3. You exert a force (F) at an angle of ?=30°on this block. what is the net work done on the block over this time
A hollow spherical shell with mass 1.65 rolls without slipping down a slope that makes an angle of 40.0 with the horizontal. Find the magnitude of the acceleration of the center of mass of the spherical shell
For the system shown , the block has a mass of 1.5 kg and the spring constant k=8.0 N/m. find the number of oscillations made by the block during the time interval required for the amplitude to fall to one-third of its initial value
A car is traveling at 50.0 mi/h on a horizontal highway. If the coefficient of static friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop
A frictionless pulley has the shape of a uniform solid disk of mass 6.00 and radius 28.0 . A 2.70stone is attached to a very light wire that is wrapped around the rim of the pulley(Figure 1) , and the stone is released from rest. As it falls down,..
A 31g ball rolls around a 46cm -diameter L-shaped track, shown in the figure, at 56rpm. Rolling friction can be neglected. find the magnitude of the net force of the track on the ball
A thin rod has a length of 0.292 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. what is the change in the angular velocity of the rod
A uniform, spherical cloud of interstellar gas has mass 2.0Ã-1030 kg and radius 9.0Ã-1012 m, what will be the star's rotation period
A 16.8 kg block is dragged over a rough, horizontal surface by a constant force of 123 N acting at an angle of angle 34.9 above the horizontal. Find the magnitude of the work done by the force of friction
Block Sliding into Spring A block of mass m = 5.5 kg is released from rest at a height of H = 3.0 m on a curved frictionless ramp. What is the maximum height reached by the block
Object O1 is 14.7 cm to the left of a converging lens with a 10.8-cm focal length. What is the overall magnification of this system
What angular acceleration is necessary to increase the angular speed of a fan blade from 8.9 rad/s to 15.7 rad/s in 5.4seconds? answer in units of rad/s2
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