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A satellite of mass 4500 kg orbits the Earth(mass = 6.0 x 1024 kg) and has a period of 5800 s.
(a) Find the magnitude of the Earth'sgravitational force on the satellite.
N
(b) Find the altitude of the satellite.
m
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. Find the his and her initial acceleration
A person on earth notices a rocket approaching from the rightat a speed of 0.75c and another rocket approaching from the left at0.65c. What is the relative speed between the two rockets
In an experiment designed to measure the speed of light, a laser isaimed at a mirror that is 47.0 km due north. A detector is placed139 m due east of the laser. The mirror is to be aligned so that light from the laser refelects into the detector.
An object of negligible mass has an instantaneous position of .6 AU from the sun, an instant. velocity of 25 km/s, a direction of motion of 30 degrees radially outward from the sun, and a semimajor axis of .38 AU. What is the orbital eccentricity?
Abolt comes loose from underneath an elevator that is moving upward at a speed of 6.1 m/s. what is the speed of the bolt when it hits the bottom of the shaft
Two moles of an ideal gas undergo a reversible isothermal expansion from 3.10×10^?2m^{3} to 5.00×10^?2m^{3} at a temperature of 27.0C. What is the change in entropy DeltaS of the gas
a playground carousel is rotating counterclockwise about its center on frictionless bearings. Find the final angular speed of the carousel after the person climbs aboard
A certain string just breaks when it is under400N of tension. A boy uses this string to whirl a 10-kgstone in a horizontal circle of radius 10m. Atapproximately what speed will the string break
A concrete highway is built of slabs 14m long (20 degrees Celsius). How wide should the expansion cracks between the slabs be
The magnetic flux through the closed loop placed horizontally increases according to the relation ?(B)=1+6t2+7t3, What is the magnitude of the emf induced in the loop
A circular conducting loop of radius 11.0 cm is located in a region of homogeneous magnetic field of magnitude 0.300 T pointing perpendicular to the plane of the loop. Calculate the magnitude of the induced emf in the loop
A 238 kg cast-iron car engine contains water as a coolant. Suppose the engine's tempera- ture is 33C when it is shut off and the air temperature is 8C. What mass of water is used to cool the engine
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