Determine whether a scalar or a vector is described in part (a) and part (b). (a) A truck travels at 55 mi/h due southeast.
(b) A truck travels at 55 mi/h.
(a) Does the quantity describe a scalar or a vector?
O vector
O scalar
(b) Does the quantity describe a scalar or a vector?
vector
scalar

50.6

step-by-step explanation:

idk

step-by-step explanation:

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0