1.
A quantity with only magnitude is called a _____.
A.
matrix
B.
vector
C.
resultant
D.
scalar
Hint
2.
The sum of two or more vectors is called _____.
A.
the zero vector
B.
the resultant
C.
the magnitude
D.
a scalar
Hint
3.
A ship leaving port sails for 100 miles in a direction 40° north of due east. Find the magnitude of the vertical and horizontal components.
A.
about 77 miles; about 84 miles
B.
about 64 miles; about 77 miles
C.
about 50 miles; about 87 miles
D.
about 87 miles; about 50 miles
Hint
4.
If both the initial and terminal points of a vector are at the origin, the vector is __________.
A.
the zero vector
B.
linearly independent
C.
positive
D.
negative
Hint
5.
If a vector has its initial point at the origin, it ________.
A.
is a scalar
B.
is in standard position
C.
has no direction
D.
has a magnitude of zero
Hint