A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasingprey and reaching a speed of 25.9 km/h in 2.4 s. What is the magnitude of the work(in kJ) done by this crocodile?Enter the numerical part of your answer to three significant figures.

Name: A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is
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Description: A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasingprey and reaching a speed of 25.9 km/h in 2.4 s. What is the magnitude of the work(in kJ) done by this crocodile?Enter the numerical part of your answer to three signif

Given, Mass of crocodile, m = 531 kgfinal speed , v = 25.9 km/h =25.9×1000m3600s =7.19 m/sTime taken…

Answered: A saltwater crocodile (Crocodylus…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasing
prey and reaching a speed of 25.9 km/h in 2.4 s. What is the magnitude of the work
(in kJ) done by this crocodile?
Enter the numerical part of your answer to three significant figures.

Expert Solution

Step 1

Given,

$M a s s o f c r o c o d i l e, m = 531 k g f i n a l s p e e d, v = 25.9 k m / h = \frac{25.9 \times 1000 m}{3600 s} = 7.19 m / s T i m e t a k e n t o r e a c h t h i s s p e e d i s 2.4 s$

From work energy theorem ,

Work done = change in kinetic energy

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