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 2 years 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?
 2 years 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?

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

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

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

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1be nice poopsie how the heck you become ambassador?

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1set a ratio original to new time 8/x=15/55

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1that reduces to 8/x = 3/11

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1or i think i did it wrong

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1is there more info ruchi?

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

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1ruchi there should be a more info. other than choices.

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1i am confused perhabs if we divide the angle 360 into a 24 hour thingy. so 360 degree= 24 hour

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1ooh maybe the horizontal length is fixed and just the vertical varies.

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0what latitude does he live in?

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

timo86m
 2 years ago
Best ResponseYou've already chosen the best response.1sorry i think we need more info.

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0if 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 \[\Delta t=\frac{\Delta\theta}{w}=\frac{55^{\circ}15^{\circ}}{15^{\circ}/h}=\frac{8}{3}h=160\text{ min}\]

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0but 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.
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