Magnitude of Accleration

  • Thread starter schrock
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A location of a particle is given in m by x, y and z coordinates as function of time in s as:
x= -11+9t+11t^2
y= -23-21t
z= -93+25t+11t^2

What is the magnitude of the objects acceleration at t= 3.00s?

Would I add the second derivatives for magnitude?
 

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  • #2
tiny-tim
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Hi schrock! :smile:
A location of a particle is given in m by x, y and z coordinates as function of time in s as:
x= -11+9t+11t^2
y= -23-21t
z= -93+25t+11t^2

What is the magnitude of the objects acceleration at t= 3.00s?

Would I add the second derivatives for magnitude?

You mean |a| = x'' + y'' + z'' ?

Nooo …

Acceleration is a vector (just like velocity :wink:).

So its magnitude is calculated from its components the same way as for any vector. :smile:
 

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