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The Syncom communication satellite was placed in its high-altitude geosynchronous orbit of radius 4.23 x 10^7m in two steps. First the satellite was carried by the Space shuttle to a low-altitude circular orbit of radius 6.65 x 10^6 m; there it was released from the cargo bay of space shuttle, and it used its booster rocket to lift itself to the high altitude circular orbit. What is the increase of total mechanical energy during this change of orbit?
A man lifts a 13 kg crate directly upwards from the floor to a shelf (6 m high) at constant speed*. What is the work done by gravity on the crate
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the rod
Driving in your car with a constant speed of 12 {rm m}/{rm s}, you encounter a bump in the road that has a circular cross-section. If the radius of curvature of the bump is 35 {rm m}, find out the apparent weight of a 69 person in your car as you ..
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
How would you describe the discoveries of Benjamin franklin, Robert millikan, cgarles-augastin de coulomb and Ernest ruthford
Displacement is which of the following types of quantities.
a massive particle, rest mass M absorbs a photon. The inertial mass increases to 1.05 M. Determine the energy of the incoming photon
Water at a gauge pressure of 3.0 atm at street level flows into an office building at the speed of 0.40 m/s by a pipe 5.0 cm in diameter. The pipe tapers down to 2.20 cm in diameter by the top floor, 15 m above, where the faucet has been left open. E..
q1. a 23 g ball is fired horizontally with initial speed toward a 110 g ball that is hanging motionless from a 1.1m
A 671-kg cannon fires a 18.5-kg projectile with a speed of 273 m/s with respect to the muzzle. what is the speed of the projectile with respect to the ground
Two slits with a separation of 8.5 x 10^(-5) m create an interference pattern on a screen 2.3 m away. find the wavelength of the light used in the experiment
A semicircle of radius a is in the first and second quadrants, What is the direction of the net electric field at the origin produced by this distribution of charge (+x,-x,+y,-y direction)
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