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a man whose height is 1.8m is walking directly away from a lamp fast at contrite of 1.2m/s. if the lamp s 12m above the ground, find the rate of which shadow is lengthening
 one year ago
 one year ago
a man whose height is 1.8m is walking directly away from a lamp fast at contrite of 1.2m/s. if the lamp s 12m above the ground, find the rate of which shadow is lengthening
 one year ago
 one year ago

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alfers101Best ResponseYou've already chosen the best response.0
this is about time rates on differential calculus
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
have you tried drawing a picture yet
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
draw a picture, then figure out the equation where input is distance away from the lamp and out put is length of the shadow
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
dw:1349318841236:dw
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
then find the derivative in respect to t
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
dx/dt would be velocity which would be 1.2 and ds/dt would be rate the shadow increases over time
 one year ago
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