A shell is fired vertically up. At some point it explodes in three parts with mass ratio 1:1:2 . One part falls at 10m left of projected point. Heavier part falls at 20 m right. What is the position of the third part?
MatrixA=⎛⎜ ⎜ ⎜ ⎜ ⎜ ⎜⎝111111234513610151410203515153570⎞⎟ ⎟ ⎟ ⎟ ⎟ ⎟⎠ is a ___ matrix of order ___