A force of 30 newtons stretches a spring 0.3 meter from its natural length of 1.5 meters. Find the work done in stretching the spring an additional 0.3 meter. 09 joules Ⓒ 13.5 joules 4.5 joules 18 joules

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A: Note: As per our guidelines, we can solve first question. Please repost the remaining questions.

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A: If x varies directly as y, then it can be written that x∝y or x=ky, where k is the constant of…

Q: Stretching spring: Eighteen pounds of force is required to stretch a spring 3 ft. from its natural…

A: Solution: Natural length  = 3 ft   ---> 18 ft-lb 3 ft to 6 ft

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A: The force of a spring is given by  F = Kx (Hooke law) K = spring constant  Work done = force ×…

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Q: If the natural length of a spring is 0.4 m, and if it takes a force of 15 N to keep it extended an…

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A: the gravitational potential energy is given by E=mgh here we have  m - mass=100kg h - height=4.5 m g…

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A: solution

Q: agnitude of t

A: Given as, Length of the rectangular surfaceL=4ft=1.2192mWidth of the rectangular…