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A satellite is kept in a circular orbit 3.0*102kmabove the surface of the Earth by the force of gravity. Atthis altitude the acceleration due to gravity is only8.9m/s2. The radius of the Earth is6.4*106m.
a) calculate the period of the satellite.
b) calculate the speed of the satellite.
The bacterium Escherichia Coli (E. coli) is a single celled organism that lives in the gut of healthy humans and animals, For the segment BC in the bacteriums trajectory, calculate the x and y components of its displacement
q1. a rifle fires a 2.39 10-2-kg pellet straight upward since the pellet rests on a compressed spring that is released
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.80 cm high, what is the size of the image on her retina
A plate carries a charge of -3.11mC,while a rod carries a charge of +2.02mC.How many electrons must be transferred from the plate to the rod,so that both objects have the same charge.
A river with long, straight, parallel sides 10 km a part flows from north to south at 3 m/s. How far downstream is the swimmer when he reaches the opposite shore
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
A 2-m3 vessel contains air at 40oC and 236 kPa. The vessel is fed with fresh air until the air inside the vessel reaches 93oC and 1 MPa. Calculate how much air was added to the vessel
What is the speed of the arrow as it leaves the bow.
A worker pushed a 27kg block 9.2 m along a level floor atconstant speed with a force directed 32o below thehorizontal. find the increase in thermal energy of theblock-floor system
A laser used to weld detached retinas emits light with a wavelength of 654nm in pulses that are 20.2ms in duration. How much energy is in each pulse
Two point charges are separated by 10.0 cm and have charges of +2.00 uC, What is the electric field at a point midway between the two charges
question a 182 mh inductor whose windings have a resistance of 8.20 omega is connected across a 9 v battery with an
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