Question

during spring semester at MIT, residents of the parallel buildingsof the east campus dorms battle one another with large catapultsthat are made with surgical hose mounted on a window frame. aballoon filled with dyed water is placed in a pouch attached to thehose, which is then stretched through the width of the room. assumethat the stretching of the hose obeys hooke's law with a springconstant of 100 N/m. if the hose is stretched by 5.00 m and thenreleased how much work does the hose do on the balloon in the pouchby the time the hose reaches its relaxed length?

Answer 1

The total work done on the pouch is equal to the change in itskinetic energy:









OR





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