An 8 kg box is at rest on the ground and is pushed by a force for 12 m. The box ends up going 3 m/s (there is no friction) A) What was the energy before the box was pushed?
B) What was the energy after?
C) Does the energy before equal to the energy after?
D) Put the above information into the Law of Conservation of Energy equation.
E) Solve for the force.

Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

Definition: this is the weighted average of all of the isotopes of an element.