An elastic bone is compressed 10 ?m by a student's weight. The student picks up a...

Question

Question

An elastic bone is compressed 10 ?m by a student's weight. The student picks up a heavy backpack and the same bone compressed by an extra 5 ?m.

(a) How many times heavier or lighter is the student than her backpack?

(b) How much more potential energy is stored in the compressed bone with the backpack on than without?

Answer 1

Answer #1

modulus Stoesstace 丫,-AX@eum) -O kelgud. of student 2 A χ(lo.ts)Li m ーラ studenct う225-times/

Answer 2

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