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# BIO (a) An ordinary flea has a mass of 210 µg. How many ## Problem 18E Chapter 4

University Physics | 13th Edition

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Problem 18E

BIO? (a) An ordinary flea has a mass of 210 µg. How many newtons does it weigh? (b) The mass of a typical froghopper is 12.3 mg. How many newtons does it weigh? (c) A house cat typically weighs 45 N. How many pounds does it weigh, and what is its mass in kilograms?

Step-by-Step Solution:

Solution to 18E Step 1 According to Newton’s second law of motion, F=ma For a body under effect of gravity, F=mg, where m=mass of the body, and g=acceleration due to gravity. Step 2 (a) Mass of an ordinary flea=210g =210x10 kg -9 F=210x10 kg X9.8 -6 F=2.058X10 N Thus weight of ordinary flea=2.058X10 N -6 (b) Mass of froghopper=12.3mg=12.3x10 kg -9 -9 F=12.3x10 kg X 9.8 F=120.59x10 N -9 Thus weight of the froghopper =120.59x10 N -9

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##### ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “BIO? (a) An ordinary flea has a mass of 210 µg. How many newtons does it weigh? (b) The mass of a typical froghopper is 12.3 mg. How many newtons does it weigh? (c) A house cat typically weighs 45 N. How many pounds does it weigh, and what is its mass in kilograms?” is broken down into a number of easy to follow steps, and 54 words. The full step-by-step solution to problem: 18E from chapter: 4 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: mass, weigh, newtons, Bio, house. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 18E from 4 chapter was answered, more than 1183 students have viewed the full step-by-step answer. University Physics was written by and is associated to the ISBN: 9780321675460.

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