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Emily dropped a coin from rest, and the distance traveled by the coin is given by the formula below, where s is the distance the coin has fallen, g is a constant representing Earth's gravity, and t is the duration of time over which the coin falls. Emily measured the distance in feet, the time in seconds, and now wants to calculate the value of g. What must be the units of g?

Respuesta :

sqdancefan
No formula is shown. Conventionally it might look like
[tex]s = \frac{1}{2}gt^{2}[/tex]

Putting units where each of the variables are, we have
.. ft = g*s^2
Solving for the units of g, we get
.. g = ft/s^2 . . . . . feet per second per second, or feet per second squared

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