SQU is trying a new particle accelerator design with a mechanical component using a spring that does not obey Hooke's law. When stretched/compressed x metres, it exerts a force of 73.6x5+46.6x2 (a) Compute the work required to stretch the spring from x 0.7 m to x = 1.3 m. (b) With one end of the spring fixed, a particle of mass 1.2 kg is attached to the other end of the spring when it is stretched by an amountx= 1.3 m. If the particle is then released from rest, what is its speed at the instant the stretch in the spring is x = 0.7 m? m/s (c) Is the force exerted by the spring conservative or nonconservative? Explain.

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SQU is trying a new particle accelerator design with a mechanical component using a spring that does not obey Hooke's law.
When stretched/compressed x metres, it exerts a force of 73.6x5+46.6x2
(a) Compute the work required to stretch the spring from x 0.7 m to x = 1.3 m.
(b) With one end of the spring fixed, a particle of mass 1.2 kg is attached to the other end of the spring when it is stretched
by an amountx= 1.3 m. If the particle is then released from rest, what is its speed at the instant the stretch in the spring is x
= 0.7 m?
m/s
(c) Is the force exerted by the spring conservative or nonconservative? Explain.
Transcribed Image Text:SQU is trying a new particle accelerator design with a mechanical component using a spring that does not obey Hooke's law. When stretched/compressed x metres, it exerts a force of 73.6x5+46.6x2 (a) Compute the work required to stretch the spring from x 0.7 m to x = 1.3 m. (b) With one end of the spring fixed, a particle of mass 1.2 kg is attached to the other end of the spring when it is stretched by an amountx= 1.3 m. If the particle is then released from rest, what is its speed at the instant the stretch in the spring is x = 0.7 m? m/s (c) Is the force exerted by the spring conservative or nonconservative? Explain.
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