# Unreasonable Results Squids have been reported to jump ## Problem 62PE Chapter 8

Physics: Principles with Applications | 6th Edition

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Problem 62PE

Unreasonable Results Squids have been reported to jump from the ocean and travel 30.0 m (measured horizontally) before re-entering the water. (a) Calculate the initial speed of the squid if it leaves the water at an angle of 20.0º , assuming negligible lift from the air and negligible air resistance. (b) The squid propels itself by squirting water. What fraction of its mass would it have to eject in order to achieve the speed found in the previous part? The water is ejected at 12.0 m/s ; gravitational force and friction are neglected. (c) What is unreasonable about the results? (d) Which premise is unreasonable, or which premises are inconsistent?

Step-by-Step Solution:

Step-by-step solution Step 1 of 6 In this problem we have to calculate the Unreasonable Results when the Squids travel 30.0 m before re-entering the water. The expression to find the range of projectile Rearrange the expression to find velocity, Step 2 of 6 Substitute, for , for and for in the above expression, So, the initial velocity of squid is . Step 3 of 6 (b) The expression to find the final velocity of squid is expressed as, Here, is the initial velocity, is exhaust velocity, is initial mass and is remaining mass, Take antilog both sides, Substitute 21.39 m/s for , 0 m/s for and 12.0 m/s for in above expression, Calculate for fraction ejected,

Step 4 of 6

Step 5 of 6

##### ISBN: 9780130606204

The answer to “Unreasonable Results Squids have been reported to jump from the ocean and travel 30.0 m (measured horizontally) before re-entering the water. (a) Calculate the initial speed of the squid if it leaves the water at an angle of 20.0º , assuming negligible lift from the air and negligible air resistance. (b) The squid propels itself by squirting water. What fraction of its mass would it have to eject in order to achieve the speed found in the previous part? The water is ejected at 12.0 m/s ; gravitational force and friction are neglected. (c) What is unreasonable about the results? (d) Which premise is unreasonable, or which premises are inconsistent?” is broken down into a number of easy to follow steps, and 110 words. Since the solution to 62PE from 8 chapter was answered, more than 328 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 62PE from chapter: 8 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This full solution covers the following key subjects: Water, unreasonable, squid, air, speed. This expansive textbook survival guide covers 35 chapters, and 3914 solutions.

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