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Two satellites are in circular orbits around a planet that has radius . One satellite has mass 88.0 , orbital radius 5.60×107 , and orbital speed 4800. The second satellite has mass 87.0 and orbital radius 1.70×107. What is the orbital speed of this second satellite?
a physical pendulum consists of a uniform solid disk (of radius R = 54.9 cm) supported in a vertical plane by a pivot located a distance d = 21.1 cm from the center of the disk. What is the period of the resulting simple harmonic motion
A bullet of mass 0.025kg moves at 100m/s initially. It hits a 2kg block of soft pine and emerges from the block at 30m/s. How fast is the block of wood moving after the bullet emerged?
A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the angular acceleration of the system
a wooden box weighing 245 n is pushed across the floor by a workman who exerts a horizontal force of 172 n. if the
When the flask and mercury are warmed together to a temperature of 52.0 degrees C , a volume of 8.35cm3 of mercury overflows the flask.If the coefficient of volume expansion of mercury is 1.8 * 10^-4 /K ,
A pendulum is 1.20 metres long. What is the speed of the bob when it passes by its equalibrium position if it is pulled aside until it makes an angle of 25 degrees to vertical.
A ball has a diameter of 3.9 cm and average density of 0.0839 g/cm3. What force is required to hold it completely submerged under water
From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 8.10 m/s. how far beneath the cliff top is the pebble
Suppose that you wish to fabricate a uniform wire out of 0.850 g of copper. Assume the wire has a resistance R = 0.800 ?, What will be the diameter of the wire
A thin horizontal 10cm x 10cm copper plate which is 1 mm thick has 1010 excess electrons. If the electrons are uniformly distributed, what are the strength and direction of the electric field a) 0.1 mm above the top surface of the plate? b) in the ce..
Computing the kinetic energy, takeoff speed, and kinetic energy per kilogram.
Announcers at a certain radio station say that they are at "95 FM on your dial," meaning that they transmit at a frequency of 95 MHz, find the wavelength of the radio waves from this station
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