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# BIO The Flying Leap of a Flea. High-speed motion pictures ## Problem 75P Chapter 5

University Physics | 13th Edition

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Problem 75P

BIO The Flying Leap of a Flea.? High-speed motion pictures (3500 frames/second) of a jumping 210-µg flea yielded the data to plot the flea’s acceleration as a function of time, as shown in ?Fig. P5.78?. (See “The Flying Leap of the Flea,” by M. Rothschild et al., ?Scientific American,? November 1973.) This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Using the graph, (a) find the ?initial? net external force on the flea. How does it compare to the flea’s weight? (b) Find the ?maximum? net external force on this jumping flea. When does this maximum force occur? (c) Use the graph to find the flea’s maximum speed.

Step-by-Step Solution:

Solution to 75P Step 1 From the graph, 2 Initial a=612.5m/s ………..(a/g=62.5) Mass of the flea=210g Step 2 (a) Initial acceleration of the flea=F F=ma F=210g x612.5 -4 F=1.26x10 N

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##### ISBN: 9780321675460

University Physics was written by Patricia and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 75P from 5 chapter was answered, more than 390 students have viewed the full step-by-step answer. This full solution covers the following key subjects: flea, Find, maximum, Force, jumping. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “BIO The Flying Leap of a Flea.? High-speed motion pictures (3500 frames/second) of a jumping 210-µg flea yielded the data to plot the flea’s acceleration as a function of time, as shown in ?Fig. P5.78?. (See “The Flying Leap of the Flea,” by M. Rothschild et al., ?Scientific American,? November 1973.) This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Using the graph, (a) find the ?initial? net external force on the flea. How does it compare to the flea’s weight? (b) Find the ?maximum? net external force on this jumping flea. When does this maximum force occur? (c) Use the graph to find the flea’s maximum speed.” is broken down into a number of easy to follow steps, and 114 words. The full step-by-step solution to problem: 75P from chapter: 5 was answered by Patricia, our top Physics solution expert on 05/06/17, 06:07PM.

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