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Physics 14 Online
OpenStudy (sara4954):

V⃗ is a vector 24.8 units in magnitude and points at an angle of 23.4 ∘ above the negative x axis. Sketch this vector. Calculate Vx and Vy. Use Vx and Vy to obtain (again) the magnitude of V⃗ Use Vx and Vy to obtain (again) the direction of V⃗ .

OpenStudy (shamim):

drwing is as below |dw:1464964802974:dw|

OpenStudy (shamim):

|dw:1464964866424:dw|

OpenStudy (shamim):

Vx is along +x axis

OpenStudy (shamim):

Vy is along +y axis

OpenStudy (shamim):

do u know Vx is a component of V

OpenStudy (shamim):

Vy is a component of V along y axis

OpenStudy (shamim):

u know Vx=v*cos theta

OpenStudy (shamim):

Vy=V*sin theta

OpenStudy (shamim):

and u know \[V ^{2}=V _{x}^{2}+V _{y}^{2}\]

OpenStudy (shamim):

response plz for geting better help

OpenStudy (sara4954):

hi, thank you, i know how to solve the problems and i also know how to draw the angle. however, the program this question is on records my graphed vector incorrectly. I think i will need to tell my teacher this. Thank you for the help :)

OpenStudy (shamim):

anyway u can give me a medal

OpenStudy (shamim):

just click on best response

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