A student used a spreadsheet to create a computational model of the energy changes experienced by a falling 0.75-kg ball. The student entered a particular initial velocity into the model and noticed that some of the values in the velocity column were positive and some of the values were negative. In one or two sentences, make and justify a claim about the boundary conditions that would lead to this situation

answer: i think he can see forward ten seconds and move forward ten seconds but giorno can undo his actions with ger.

explanation:

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19