A75 gram bar of gold is cut into three equal pieces. how does the density of each piece compare to the density of the original bar?
1. each piece is 1/3 the density of the original bar
2. each piece is the same as the density of the original bar

iron and sleel

make siroeel

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c.

explanation:

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)