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A 2530 {\rm kg} satellite used in a cellular telephone network is in a circular orbit at a height of 710 {\rm km} above the surface of the earth.
A. What is the gravitational force on the satellite?
B. What fraction is this force of the satellite's weight at the surface of the earth?
imagine a hole is drilled down to the center of the earth. a small mass m is dropped into the hole. find the speed of the mass just as it reaches the earth's center
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A sinusoidal wave traveling on a string has a period of 0.21s, a wavelength of 32cm, and an amplitude of 5.0cm. compute the speed of this wave
A person drops a cylindrical steel bar (Y = 1.70 × 1011 Pa) from a height of 4.70 m, what is the maximum compression of the bar
An electric kettle of 7.0 Ω resistance containing 500 cm3 of water at 10ºC is connected to the 110 V supply. calculate how long it takes to convert all of the water into steam
Two protons are released from rest, one from location 1 and another from location 2. When these two protons reach location 3,, what is the electric potential at location 3
A negatively charged particle remains stationary in an downwardly directed E field between two parallel charged plates separated by 2cm. How many electrons does the charged particle contain
A boy in a wagon is moving at 3.1 m/s east when another boy begins pulling on the wagon in the direction opposite to its motion at 1.25 m/s^2. How far from the starting point is the wagon
An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)
a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, how fast did the ball strike the ground
A tube of radius 5cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×10^5 Pa. The density of water is 1000kg/m3. Suppose that the water is no visco..
An electric scooter has a battery capable of supplying 150 Wh of energy. what altitude change can a rider achieve when driving in hilly terrain
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