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23 Nov 2019

Consider one object, made up of {mass 1 =6 kilograms}, and {mass 2= 2 kilograms}, both are ‘boxes’. A spring that does not have massis inbetween them, the spring is compressed between the boxes, andin the springs compressed state, it’s {length/distance =2.5 cm}. Asthe boxes with the spring in between them(it’s all one object atthis time) slides on a table top horizontally (no friction) withVel. Initial of 2.5 m/s, and all of a sudden, the spring rapidlyreleases its compression, and the boxes (mass 1 and mass 2) are“propelled” as two components.

a) calc. the post.spring.release velocity Of mass 1 in respect tomass 2 in the reference perspective of the table.
b) calc. the postrelease vel. Of mass 2 in respect to mass 1 in thereference perspective of the centerofmass.

[mass 1]—[mass 2] [mass 1] ---- [mass 2}
Initial after spring relases compression

(please explain your steps and equations used)

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Elin Hessel
Elin HesselLv2
28 Jun 2019

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