Answered: stice Problems 1.A spring has a natural… | bartleby

Trigonometry (MindTap Course List)

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Additional Topics In Trigonometry

Section3.3: Vectors In The Plane

Problem 11ECP

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ractice Problems
- 1. A spring has a natural length of 14 ft. If a force of 500 lbs is required
to keep the spring stretched 2 ft, how much work is done in
stretching the spring from 16 ft to 18 ft?

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If a constant force of 5 lb moves an object 10 ft, then the work done by the force on the object is _______.
A large tank has a plastic window on one wall that is designed to withstand a force of 90,000 N. The square window is 2 m on a side, and its lower edge is 1 m from the bottom of the tank. a. If the tank is filled to a depth of 4 m, will the window withstand the resulting force? b. What is the maximum depth to which the tank can be filled without the window failing?
If a force of 85N stretches a spring 4.5m beyond its natural length, how much work does it take to stretch the spring 9.5 m beyond its natural length?
A spring has a natural length of 20 cm. If a force of 25 N is required to keep it stretched to a length of 30 cm, how much work is required to stretch it from 22 cm to 37 cm?
A spring has a natural length of 1 m. A force of 24 N holds the springstretched to a total length of 1.8 m. How much work will it take to stretch the spring from its natural length to a length of 3 m?
Suppose that 6 Joules of work is needed to stretch a spring from its natural length of 11 cm to a length of 31 cm. a.)How much work is needed to stretch the spring from 20 cm to 28 cm? b.How far (in meters) beyond its natural length would a force of 40 N keep the spring stretched?
It takes a force of 21,714 lb to compress a coil spring assembly on a New York City Transit Authority sub-way car from its free height of 8 in. to its fully compressed height of 5 in. a. What is the assembly’s force constant? b. How much work does it take to compress the assembly the first half inch? the second half inch? Answer to the nearest in.-lb
A spring has a natural length of 1 m. A force of 24 N holds the springstretched to a total length of 1.8 m. How far will a 45-N force stretch the spring?
A spring has a natural length of 20 cm. If a 25-N force isrequired to keep it stretched to a length of 30 cm, howmuch work is required to stretch it from 20 cm to 25 cm
A force of 50 pounds stretches a spring 5 inches. (A) how far will a force of 20 pounds stretch the spring? (B) what force is required to stretch the spring 1.5 inches?
A spring has a natural length of 15 inches. If a force of 25 pounds is required to keep the spring stretched to a length of 30 inches, a.) Give the spring constant k lbs/ft b.) Calculate the amount of work that is done is stretching the spring from its natural length to a length of 75 inches. ft-lbs
The distance d that a spring will stretch varies directly as the force f applied to the spring. If a force of 6 lb is required to stretch the spring 3 in, what force in lbs is required to stretch the spring?

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