A trough is filled with water. How much work is required to pump the water out of a spout thatis 2 meters above the top of the trough (see diagram below)? Use 1000 kg/m³ for the mass density of waterand 9.8 m/s? for acceleration due to gravity, and be sure to write the units for your answer.4 m2 m4 m6 m

Given that a trough is filled with water. The objective is to find work done required to pump the…

Answered: A trough is filled with water. How much…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

ChapterCSR: Contents Of Student Resources

Section: Chapter Questions

Problem 22.7P

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A cowboy spins a lasso in an approximately circular shape, with a starting circumference of 10 feet. The force on the rope pulls it through the slip-knot so that the circle's circumference decreases by 1 foot per second. 2 Part A: Determine a formula that describes the lasso's circumference, in feet, t seconds after the cowboy starts spinning it. C= Part B: After how long will the lasso's circle vanish? seconds Answer: Part C: The circumference of a circle is also C = 2mr. Use this formula to give the radius of the circle as a function of time. T Part D: Using the circumference formula developed in Part A, determine the rate of change of the AC circumference of the lasso, At Answer: ft/s Part E: Using the radius formula developed in Part C, give the rate of change for radius, Answer: ft/s Ar At

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