Physics help?

Question

The position of a particle is given by x = bt – f t^3 where b and f are positive constants. x is in meters, t is in seconds. What are the units of b and f?

There are follow up questions but I think I could do them if I could figure out this first part?

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General Physics RvTDLR 4 years 1 Answer 563 views 0

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Answer ( 1 )

  1. All the three terms should have the same dimension. If x is the length then bt should be length. This gives the dimension of b to be x/t=velocity.
    Similarly x = f t^3
    This gives f= x/t^3= Length/time^3. I do not have the name to it but it is dimension of f.

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