susmitadas08642 susmitadas08642
  • 20-08-2017
  • Physics
contestada

A particle whose speed is 50 m/s moves along the line from A(2,1) to B(9,25). Find its velocity vector in the form of ai +bj.

Respuesta :

barnuts
barnuts barnuts
  • 31-08-2017

To write it in the form ai + bj, we need to find a and b which are:

a = x component

b = y component

 

length of x = 9 – 2 = 7

length of y = 25 – 1 = 24

 

tan θ = 24 / 7

θ = 73.74°

 

a = (50 m/s) cos 73.74

a = 14 m/s

 

b = (50 m/s) sin 73.74

b = 48 m/s

 

Hence,

14i + 48j

Answer Link

Otras preguntas

were do daisy come from
I want a fairy tale, history or an autobiography written in Spanish and containing the present tense, past tense, past tense and future tense..I just need a sma
Joseph's taxi charges $10.00 for the initial service of any drive. Then, the fee for each mile is $0.75. Which type of function is represented by this situation
how old are you?. im taking a survey... thanks
a patio is shaped like a golden rectangle. it's length ( the longer side) is 16ft. what is the patios width? write your answer in simplified radical form.
which value is a zero of the function defined by 6x^2+6x-36?
how did kensuke end up on the island before Michel ?
were do daisy come from
Mary's father has five daughters Nana, Nene, Nini, Nono, What is the name of the fifth daughter?
A group consisted of 2 girls for every boy. 24 more girls joined in the class. There are now 5 girls for every boy. How many are in the class?