Do Now… 1) Use SOH-CAH-TOA to find the length of side b. 1) Miniature Joe walks 4 cm North and...

Do Now…1) Use SOH-CAH-TOA to find the length of

side b.

2) Miniature Joe walks 4 cm North and then heads 3 cm West. Draw a diagram (to scale) of his trip and measure the distance between his initial and final position.

51° 7.0 km

b = ?

N

S

EW

Do Now…1) Use SOH-CAH-TOA to find the length of

side b.

What do we know?

51° 7.0 km

b = ?

Do Now…1) 2) Miniature Joe walks 4 cm North and

then heads 3 cm West. Draw a diagram (to scale) of his trip and measure the distance between his initial and final position.

4 cm North

3 cm WestN

S

EW

Hypotenuse represents the resultant vector.

O Sum of two or more vectors.O What is the magnitude of the resultant

vector? In which direction is it pointing?

4 cm North

3 cm West

N

S

EW

What is the magnitude and direction of the resultant vector?

O Magnitude: We can calculate or measure the length of the resultant vector.

O Direction: What is the angle θ between the resultant vector and the North direction?

N

S

EW

4 cm North

3 cm West

θ5 cm ?

Direction: What is the angle θ between the resultant vector and the North direction? We know…

N

S

EW

4 cm North

3 cm West

θ5 cm ?

West of North

Inner Harbor at Baltimore, MD

C

A

B200 m