The milky way has a diameter proper length of about
The Milky Way has a diameter (proper length) of about 1.2×105 light-years. According to an astronaut, how many years would it take to cross the Milky Way if the speed of the spacecraft is 0.890 c?
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two cylindrical rods one copper and the other iron are identical in lengths and cross-sectional areas they are joined
three identical resistors are linked in parallel the equivalent resistance increases by 700 omega when one resistor is
a laser utilized in eye surgery emits a 344 mj pulse in119 ns focused to a spot 315 um in diameter on the retina
the headlights on a certain car are gauged to be 11 m apart the diameter of the pupil in a human eye is 25 mm what is
the milky way has a diameter proper length of about 12times105 light-years according to an astronaut how many years
an underwater scuba diver sees the sun at an apparent angle of 480deg above the horizon what is the real elevation
a stamp collector is viewing a stamp by a magnifying glass held next to her eye her near point is 25 cm from her eye1
two rectangular blocks are stacked on a table the lower block has a mass of 386 kg and upper block has a mass of 340 kg
a pyrex beaker that has a capacity of 1000cm3 at 20c contains 990cm3 of mercury at that temperature is there some
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