Final answer:
The minimum speed limit on a Florida interstate with a 70 mph maximum is not explicitly posted, but it is often around 50 mph. Converting speeds like 100 km/h to mph (about 62.1 mph) and recognizing that speed limits vary by country are crucial to obeying traffic law.
Step-by-step explanation:
When driving on an interstate highway in Florida with a posted speed limit of 70 mph, it's important to know not only the maximum speed but also the minimum speed allowed.
While the maximum speed is clearly stated, the minimum speed is not always as obvious. Regulations typically indicate that one must drive at a speed that is safe and prudent under the current conditions.
However, in many places, the minimum speed limit is often 20 mph below the maximum speed unless otherwise posted. So in this case, it might be reasonable to assume that the minimum speed would be around 50 mph. It is important to check the local traffic laws to be sure.
Understanding the relationship between different units of speed measurement is a crucial part of physics. For instance, knowing that 100 km/h is approximately 62.1 mph (since 1 mile is about 1.609 kilometers), that 80 km/h is about 49.7 mph, or that 1 m/s is equivalent to 2.2 mph can help comprehend and follow speed limits accurately, which are often posted in km/h or mph depending on the country.