DISTANCE = velocity of light (c) * time taken (t)
as 2.5s is for a round trip we need to half it to get distance i.e. t = 2.5/2 = 1.25 s
Velocity of light (c) =3*10^8 m/s
distance = 3*10^8 * 1.25 = 3.75*10^8 m = 3.75*10^5 km
Hence E is correct
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12. Laser pulses can be timed as they bounce off mirror-reflectors left on the Moon by...
please help and explain each step. thank you.
1. The radius of the moon is 1737 km. Its mass 7.34 x 10 kg. On July 21, 1969, Neil Armstrong and Buzz Aldrin landed on the moon using a Lunar Module. The mass of the Apollo 11 Lunar Module ascent stage was about 5000 kg.u e 22 (a) Find the potential energy of the ascent stage of the Lunar Module only with respect to the VIGhoit M (visho moon. (b) Later,...