4 questions

l.roxnaldo_9

i need somone who can do this quesstions correctly :

 

1- A displacement vector  in the xy plane is 52 m long and directed at angle θ = 22° in the figure. Determine (a) the x component and (b) the y component of the vector.




(a)Number
(b)Number
 

 

 

 

2- In the figure, a heavy piece of machinery is raised by sliding it a distance d = 17.7 m along a plank oriented at angle θ = 37.8 ° to the horizontal. How far is it moved (a) vertically and(b) horizontally?



(a)Number
(b)Number
 
 
 
 
 
 
 

 

 

3-Find the (a) x, (b) y, and (c) z components of the sum  of the displacements  and  whose components (in meters, m) along the three axes are cx = 3.9, cy = -4.3, cz = -6.5; dx = 4.3, dy = -1.9, dz = 3.3.


(a)Number
(b)Number
(c)Number
 

 

 

 

4- For the vectors  and , give  in (a) unit-vector notation, and as (b) a magnitude and (c) an angle (relative to  in the range of (-180°, 180°]). Now give  in (d) unit-vector notation, and as (e) a magnitude and (f) an angle (relative to  in the range of (-180°, 180°])


(a)Number
(b)Number
(c)Number
(d)Number
(e)Number
(f)Number
 

 

 

    • 10 years ago
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