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A weather satellite encircles the earth at an orbital speed of 6200 m/s.
A) How high above the earth's durface does it orbit?
B) What is the g value at this orbital distance?
C) What is its orbital period?
A uniform disk with radius 0.370m and mass 30.5kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. What is the resultant linear acceleration of a point on the rim of the disk
Exactly 1.73 kg of water vapor is contained in a piston-cylinder assembly at a pressure of 1.00 MPa and temperature 600.°C. The vapor is isothermally compressed to 80.0 MPa.
Consider a square loop. It has an edge length L = 0.38 m and carries a current I = 7.74 A (runing clockwise). What is the magnitude of the torque on the loop
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers. find At what speed are you driving
A bead with a mass of 0.083 g and a charge of 15 nC is free to slide on a vertical rod. At the base of the rod is a fixed 10nC charge. In stability, at what height above the fixed charge does the bead rest.
A racer starts her car from rest and accelerates at 10m/s2 for a distance of 400m (1/4mi)
Eris, the largest known dwarf planet in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. Use these numbers to calculate the escape speed from the surface of Eris
A projectile (mass = m) is launched vertically upward with initial velocity v. When it has reached a height h above its launch position, it is still moving upward, but at that moment it explodes into two pieces. For what time interval was this impa..
A 25.0-mW laser beam of diameter 2.00 mm is reflected at normal incidence by a perfectly reflecting mirror
Two small plastic spheres, one charged to 25nC and the other to -25nC , are connected by a 25-mm-long insulating rod, What is the maximum possible torque on the dipole
A ray of light is incident on the surface of a block of clear ice at an angle of 34.0° with the normal, Find the angle between the reflected and refracted light.
An Automobile engine slows down from 4500 rpm to 1200 rpm in 2.50 s. Calculate (a) its angular acceleration, assumed constant and (b) total number of revolutions the engine makes in this time.
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