1. (4 pts) Compute
.Showyourcalcu-lation of matrix operations.
2. A swimmer is swimming N30
◦
Wat 2 mph instill water.
(a) (2 pts) Give the velocity of the swimmer and include a sketch .Expressyour
answer inexact values and specify its unit.
(b) (5 pts) A current in S60
◦
Wdirection at 1 mph affects the velocity of the
swimmer. Give the new velocity (in exact values) and speed (to 2 decimal places)
of the swimmer and include a sketch showing how it’s related to the velocity
in (a) and the current .
3. (3 pts) Usedefinition to determine whether vector v =
.Showyourcalcu-lation of matrix operations.
2. A swimmer is swimming N30
◦
Wat 2 mph instill water.
(a) (2 pts) Give the velocity of the swimmer and include a sketch .Expressyour
answer inexact values and specify its unit.
(b) (5 pts) A current in S60
◦
Wdirection at 1 mph affects the velocity of the
swimmer. Give the new velocity (in exact values) and speed (to 2 decimal places)
of the swimmer and include a sketch showing how it’s related to the velocity
in (a) and the current .
3. (3 pts) Usedefinition to determine whether vector v =
can be expressed
as a linear combination of vectors inS =
as a linear combination of vectors inS =
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