ty=l&click_pos=3D3&st=1420377244073250&source= l&stories=l_FV2uKySuX51%7=1_3F7I0NUanG7%7C1_4TEnldH0x bq%7Cl_max2CaSzw68%7C1_9sb9GOXkEx2%7C1_bK8nuJKp=IU%7C1_4zoEUkfUGt2%7CLat787qfawdA%7C1_4c81nICX h3Q%7Cl_M3X2mCiGpTH&v=300&aty=4> qtd> If everyone in a plane were to jump up =t the very same time, what would happen to the plane? <http://www.q