3 ms·
could an engineer/physicist be kind enough to calculate how hard that lamp would have hit the nice wall, door or window had things gone a little awry?
by flipbrad 17y ago
could an engineer/physicist be kind enough to calculate how hard that lamp would have hit the nice wall, door or window had things gone a little awry?
- eru 17y agoIf you neglect friction, you only need geometry to figure it out.
- ars 17y agoHe says it has a diameter of 3 meters, and spins at 42 RPM. (And I hope he didn't confuse diameter and radius.) So the circumference is 9.5 meters, times 42 per minute = 395.6 meters per minute = 14.76 mph or 23.75 km/h http://www.wolframalpha.com/input/?i=3+meters+*+Pi+*+42%2Fminute http://www.wolframalpha.com/input/?i=3+meters+*+Pi+*+42%2Fmi...