e https://session ma ?assignmentprobler Search Phy221 Carzoli Spring2016 Signed

Question

e https://session ma ?assignmentprobler Search Phy221 Carzoli Spring2016 Signed in as Kadmiera Boloa Homework2 Problem 2.47 Problem 2.47 Part A H a fea umps sraight up, and f air resistanice is neglecled (a rather poor approximation in this situstion),how high does t ea go? Express your answer to two significant figures and include the appropriate units When jumping, a flea accelerates at an astounding d 1400 m/but ovor only the very short distanco of 0.49 mm Value Uis Incorrect; Try Again; 5 attempts remaining Provide Feedback Contr web andw

Explanation / Answer

v^2 = u^2 + 2as

u = 0

v = sqrt(2as)

v = sqrt(2*1400*0.49*10^-3)

v = 1.17 m/s

now flea goes in vertical direction

s = v^2/2g

s = 0.07 m = 7 cm

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