Questions Answered

nasirrox:
Group Title
A certain quaternary star system consists of three stars, each of mass m, moving in the same
circular orbit of radius r about a central sta…
 updated one year ago
 1 reply
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srikrishnapriya:
Group Title
how to find the distance between an observer on earth and the horizon.
the answer was 5 km. but how to get it
 updated 2 years ago
 1 reply
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GiordanoPM:
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It's always been said that the work required to lift a weight up to some defined distance is the same wether you take 1 second or 1 minute t…
 updated 2 years ago
 15 replies
 3 Medals

hasha:
Group Title
show that time of ascent=time of descent
 updated 2 years ago
 3 replies
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