tysontuttle1 tysontuttle1

26-05-2021
Mathematics

contestada

u = 9i – 6j
v = 7i + 4j
A) 63.43°
C) 173.66°
B) 109.48°
D) 101.31°

Respuesta :

sqdancefan sqdancefan

27-05-2021

9514 1404 393

Answer:

A) 63.43°

Step-by-step explanation:

The two vectors in polar form are ...

u = (√(9²+6²))∠arctan(-6/9) = √117∠-33.69°

v = (√(7²+4²))∠arctan(4/7) = √65∠29.74°

The angle between the two vectors is ...

29.74° -(-33.69°) = 63.49°

Answer Link

Otras preguntas

Which sentence uses ellipses correctly when integrating this quotation? A) Hayden writes that "No one ever thanked . . . " his father. B) Hayden describes how

The body needs fat for_______.

Pneumonia can occur if a person does not use his lungs to breathe deeply very often True or false

Find the missing side and round to the nearest tenth

Does a brick have thermal energy? Also does paper haven't thermal energy?

A group of biologists found a total of 24 loggerhead turtle nests along a beach during a certain season. This was 30% of the total number of turtle nests the gr

Is this poem written in first person? (I'm assuming yes because the author uses "us" in it. "Life is a leaf of paper white Whereon each one of us may write His

Which is an expression to find the speed in m/s? d = 100 m, t = 20 s A. 100 - 20 B. 100 + 20 C. 100/20 D. 100 x 20

An equation was created for the line of best fit from the actual enrollment data. It was used to predict the dance studio enrollment values shown in the table b

please answer number 3