Questions Answered

fmk__:
I NEED HELP I DONT UNDERSTAND THIS. PLEASE ANYONE!!
Reflecting and refracting telescopes are used to gather radiation from space. Which o…
 updated 9 months ago
 7 replies
 1 Medal

Arcturas:
Relativistic energy is sometimes derived in the following manner and I'm having trouble deciphering one mathematical step. So it goes like …
 updated 9 months ago
 9 replies
 2 Medals

Arcturas:
I'm not sure if this question entirely belongs here but it is about physics and informatics/data analysis.
I've graphed some data pertai…
 updated one year ago
 1 reply
 No Medals Yet

nargles:
Star 2 is 52 light years from Earth and 18 light years from Star 1. If Star 1 explodes as a supernova, in how many years would the explosion…
 updated one year ago
 3 replies
 1 Medal

misgymnast95:
The frequency of a wave determines which of the following
loudness
reflection
…
 updated one year ago
 3 replies
 1 Medal

3psilon:
p = ks and k is a constant
s = nt and n is a constant
How is p directly proportional to t? I don't get it
 updated one year ago
 4 replies
 No Medals Yet

bbren:
write an equation in slopeintercept form of the line that passes through the given points (3,2),(6,1)
 updated one year ago
 3 replies
 No Medals Yet

Andreslvc:
HELP!
calculate the lenght of the curve:
…
 updated one year ago
 3 replies
 2 Medals