Physics
(-9i→\overrightarrow{i}i+ 45j→\overrightarrow{j}j)m/s
(8i→\overrightarrow{i}i+ 54j→\overrightarrow{j}j)m/s
(9i→\overrightarrow{i}i+ 54j→\overrightarrow{j}j)m/s
(-11i→\overrightarrow{i}i+ 55j→\overrightarrow{j}j)m/s