Edit Vew History Bookmarks Window Help Chapter 5 roblem 5.78 The motion of jumpi
ID: 1582307 • Letter: E
Question
Edit Vew History Bookmarks Window Help Chapter 5 roblem 5.78 The motion of jumping insects is of interest not orly to biclogists, but ahso to those who design robots. (Figure 1) shows the speed-versus-time gragh for two dfenent takeol jums of a 19-mg green leatropper, as detemined from high speed videos PartA What is the imagnilude of the average net force aing an the leathopper's body duringump 1? Express your answer to two significant figures and include appropriate units. Figure 1 of 1 lalueUnits 0.8 0.6 0.4 Parts 0.2 Jump ! Jump 2 Time (ms 5Explanation / Answer
Force = m ( v-u) / time
a) F = 19 x 10^-3 (0.8 - 0)/3 seconds= 5.1 x 10^-3 N
b) ratio = 5.1 x 10^-3 / (19 x 10^-3 x 9.8) =0.03 apprx