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: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

i will answer your question if you answer mine

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

the design of a ski jumping suit involves a trade-off between giving the skiers lift to get higher jumps and ensuring the skier does not face a lot of drag before the jump itself. an expansive suit may to lift the skier higher, but at the same time, it will also increase the air resistance. higher air resistance as the skier goes down the slope limits the speed of the jump. a big suit also increases the risk of losing balance or control, especially if there's a strong gust of wind. while technologically enhanced suits a lot, clothing is not the only factor in a ski jumper’s success. gathering speed while skiing down the slope, ensuring good speed on the ramp, and maintaining good body posture and form in the air all contribute to a ski jumper's success.