3 ms·
I second the question. If the wind is blowing at 20 mph, the rain is going hitting the person from the side. It's not enough to solve the inverted umbrella pr
by bfung 16y ago
I second the question. If the wind is blowing at 20 mph, the rain is going hitting the person from the side. It's not enough to solve the inverted umbrella problem when the main purpose of the umbrella is to shield a person from rain.