if im not mistaken its 20-30 mph
5mph
Yes, combined with worn tires and vehicle speed.
Tires can hydroplane as low as 40 mph if conditions are right.
With enough speed, yes.
Possibly so. You must drive at the speed the conditions warrant. You can be sited for not doing so and if you have an accident and it is determined you exceeded the speed limit in the said conditions I would assume you will be faulted.
Speed costs...how fast do you want to go?
Less friction.
19.mph
Speed. It is harder to get yourself killed if your doing the speed limit.
Yes. Any wheeled vehicle will with enough water on the road and enough speed.
The purpose of minimum speed limit laws is to keep traffic flowing smoothly on freeways. A very slow vehicle on a freeway can cause a traffic bottleneck.
826 limit