Which statement best explains why objects are pulled toward earths center? A. earth has a magnetic force that is strongest at its core. B. earth has a much greater mass than objects on its surface. C. the weight of the atmosphere pushes objects toward earths surface. D. the strength of the suns gravity pushes down on objects at earths surface

yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes

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.

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(jacemorris04)