Equation z = ct + d, z is measured in meters and t in seconds; dimensions of D?

  • Thread starter William2
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  • #1
William2
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Homework Statement


In the equation z = ct + d, z is measured in meters and t is measured in seconds. What are the dimensions (units) of d?

answer options are...
s/m, m/s, m, s, m*s


Homework Equations





The Attempt at a Solution



plugged in m for z, s for t, and m/s for c. solved for D and got 0.
 

Answers and Replies

  • #2
rcgldr
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Assume that z is not equal to ct, then if you solve for d, what do you get?
 
  • #3
William2
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Assume that z is not equal to ct, then if you solve for d, what do you get?

ermm...i'm guessing m?
 
  • #4
aftershock
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Would it make sense to add two terms together that had different units? Like adding 5 meters plus 35 Amperes?
 
  • #5
rcgldr
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Can you solve for d and show the equation?

d = ?
 
  • #6
22,330
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All the individual terms in a physical equation have to have the same units.
 

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