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

What is the mass of a neutron?

Recent work in classification of life on Earth has shown that what were once called prokaryotes are much more diverse than ever suspected. The prokaryotae are

What are the responsibilities of the Federal Reserve? Check all that apply. -regulate and supervise the American banking industry -loan money to banks in a cr

How has the polarization of congress made passing legislation so difficult?

write a decimal that is equivalent to 3 and ten hundredths

What is 9416/312 with remainder?

plz help ill give u brainlist

True Or False? 1.Evita Peron murio a una edad muy joven, a los 33 anos. 2.Evita era la hija del presidente de la Argentina. 3.Cuando Evita fue a vivir en Buenos

Four students plan to share the cost for ordering pizza. Each student says how much of a whole pizza they want to eat as shown. Abe=1/2 of a pizza, Becca=2/3 of

Litmus paper can be used to determine the _______ of a substance. A. temperature B. relative volume C. chemical formula D. relative pH