The volume of an object as a function of time is V(t) = At³, where A is a constant. Let L and T denote dimensions of length and time, respectively. What is the dimension of the constant A?
a) L³ x T³
b) L² / T
c) L³ / T³
d) L / T³
e) L / T

Respuesta :

Answer:

c) L³/T³

Explanation:

If t stands for time, the units are:

(V) = L³, (t) = T

The units for the equation:

V(t) = At³

must be:

[tex]L^{3} = \frac{L^{3} }{T^{3}} T^{3}[/tex]

If the volume of an object as a function of time is V(t) = At³, where A is a constant. Let L and T denote dimensions of length and time, respectively, then the dimension of the constant A would be  L³ / T³, therefore the correct answer is the option C  

What is a unit of measurement?

A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation. Any additional quantity of that type can be stated as a multiple of the measurement unit.

If t stands for time, the units are:

(V) = L³, (t) = T

The units for the equation:

V(t) = At³

Dimension of V = (Dimension of A) × (Dimension of t³)

L³ = dimension of A × T³

dimension of A = L³ / T³

Thus, If V(t) = At³, where A is a constant, then the volume of an object as a function of time. The dimension of the constant A would be L³ / T³, so the correct response is C if L and T stand for length and time dimensions, respectively.

Learn more about the unit of measurement from here

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