a .685 kg block is placed on spring with a force constant k. the block is pushed downward a distance x=0.487m compressing the spring from its euilibrium length l=2.23m. the block isthen released, and the spring shoots upward. after the release, the greatest height the block reaches above the table where the spring is mounted is 4.73 m. what is the value of k?

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

1/0.14nm = 10^10/1.4 a lot

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okay, ima .

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electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.