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OpenStudy (nottim):
Water is at temp. 23 deg C and air temp in car is -7 degrees C. This can be modelled by T(t)=-7+Ae^(kt), degrees C, t hrs after the car door closes. What is A?
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OpenStudy (perl):
T(0) = 23, so plug in t = 0 and solve for A
OpenStudy (perl):
-7 + Ae^(k*0) = 23 -7 + A*1 = 23 A = 23 + 7 A = 30
OpenStudy (nottim):
Oh whoops. Thanks.
OpenStudy (perl):
and you're not Tim? what should i call you
OpenStudy (nottim):
The Great Not. Or NotTim the Spectacular.
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OpenStudy (perl):
ok :)
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