Question

How long in seconds will it take a car traveling at 100 miles/hour to travel the length of an American Football field?

Answer 1

Answer:

It will take 2.45 seconds.

Explanation:

A football field measured 120 yards, that is arround 0.068 miles, the car is moving with a constant speed so the formula we have to apply for this is:

$t=\frac{x}{v}\\where\\x=distance\\v=speed$

$t=\frac{0.068}{100}\\t=0.00068hrs$

in order to obtain the time in seconds:

$tsec=0.00068hr*(\frac{3600sec}{1hr} )\\tsec=2.45 sec$