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arush sat down to study at 8 a.m. the angle of elevation of the sun was 15'.when he finished studying the angle of elevation of the sun was 55'.how long did arush study?
 one year ago
 one year ago
arush sat down to study at 8 a.m. the angle of elevation of the sun was 15'.when he finished studying the angle of elevation of the sun was 55'.how long did arush study?
 one year ago
 one year ago

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Ruchi.Best ResponseYou've already chosen the best response.0
plz hlp me out today is my xam PSA
 one year ago

Ruchi.Best ResponseYou've already chosen the best response.0
@sirm3d @onedirection822 @Weepdos @poopsiedoodle
 one year ago

Ruchi.Best ResponseYou've already chosen the best response.0
timo u r writing something were that
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
be nice poopsie how the heck you become ambassador?
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
set a ratio original to new time 8/x=15/55
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
that reduces to 8/x = 3/11
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
or i think i did it wrong
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
is there more info ruchi?
 one year ago

Ruchi.Best ResponseYou've already chosen the best response.0
yes option is also given 40 mins, 1hrs 20mins, 2hrs 23mins, 2hrs 40 mins
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
ruchi there should be a more info. other than choices.
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
i am confused perhabs if we divide the angle 360 into a 24 hour thingy. so 360 degree= 24 hour
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
ooh maybe the horizontal length is fixed and just the vertical varies.
 one year ago

richywBest ResponseYou've already chosen the best response.0
what latitude does he live in?
 one year ago

Ruchi.Best ResponseYou've already chosen the best response.0
u can read question 4 that?
 one year ago

timo86mBest ResponseYou've already chosen the best response.1
sorry i think we need more info.
 one year ago

richywBest ResponseYou've already chosen the best response.0
if you assume that the sun travels in an arc directly overhead then you can get the angular velocity of the sun as\[\omega=\frac{180^{\circ}}{12 \text{ hours}}=15^{\circ}/\text{h}\]then \[\Delta t=\frac{\Delta\theta}{w}=\frac{55^{\circ}15^{\circ}}{15^{\circ}/h}=\frac{8}{3}h=160\text{ min}\]
 one year ago

richywBest ResponseYou've already chosen the best response.0
but here the sun is at 15 degrees at 8 am so the time zone are a bit messed up. I guess it is plausible as long as the area is right on the edge of a time zone, but you would expect the sun to rise and set around 6am and 6 pm.
 one year ago
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