That would be 3 car lengths for every 10 miles per hour.
10 inches
1.5 meters
You can't convert between meters and square meters.
You can't convert between meters and kilograms.
1.35 meters
Directly between 15 meters and 17 meters would be 16 meters. Though there are MANY numbers that may be between them. For example, 15.679, 16.00039, 16.09873522, etc.
it is recommende to keep a gap of at least two seconds behind the car in front of you so the distance varies with the speed
How many car lenghts does your car have to be when you are stopped at a red light? a minimum of 2 seconds behind the car in front
There are infinitely many decimals. One example is 2.15000000003
6m
136x32x100 - the gap between the boards
You can't convert between square and cubic units.