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1. State whether the following statements are true or false.
a. The Earth is an example of a satellite. ______________
b. The force of friction and the force of gravity are the centripetal forces that are associated with GPS satellites. _________________
c. The acceleration of satellites moving in circular motion is zero. __________
2. Calculations:
a. Derive an equation for the speed of a satellite moving in circular motion.
b. Calculate the speed of a satellite moving in a circular path at a height of 2600 km above the surface of the earth.
c. Calculate the period of this satellite in hours.
a person takes a trip, driving with a constant speed of89.5km/h except for a 22 min rest stop. how much time is spent on the trip
What voltage must be applied to the 10.0 µF capacitor of a heart defibrillator to store 450 J in it? Find the amount of stored charge
Two converging lenses are placed such that they are three focal lengths apart. A final image is projected on a screen which is measured to be 82.0 cm to the right of the final lens. If it is known that the two lenses have the same focal length of 2..
As a soap bubble (n = 1.33) evaporates and thins, thereflected colors gradually disappear. What is the last color seen
After 6.00 kg of water at 70.0 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. When heat is added to or removed from a solid or liquid of mass m and specific heat capacity c, the change ..
A gas composed of methane and ethane has a specific gravity of 0.75. What are the weight percent and volume percent
Asians in the eastern states. Here are the percentages of the population who are of Asian origin in each state east of the Mississippi River in 2006
In a Compton scattering experiment, an x-ray photon scatters through an angle of 21.0° from a free electron that is initially at rest. The electron recoils with a speed of 2,520 km/s.
A 255 kilogram piano slides 4.2 meter down a 30 degrtee incline and is kept from accelerating by a person who is pushing back on it parallel to the incline. estimate the work done by the man on the piano
A thin rectangular plate of uniform areal density ? = 2.90 kg/m2 has length of 34.0 cm and width of 24.0 cm. There is a circular hole of radius 6.00 cm with center at (x,y) = (11.00,10.00) cm in the plate. Calculate the mass of plate
When a light ray passes from a material of higher n to a material of lower n (for instance, a light ray passing from glass to air), What is the critical angle for wate
Multiply by the number of axons in the optic nerve (about 106 ) or cochlear nerve (about 50 000 per ear) to estimate again the rate of acquisition sensory experience
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