Divided speed by 4, then add 2
I.E 40km is 12m a sec
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120 km/hr *1000 m/km * 1 hour/60 minutes * 1 minute/60 seconds = 33.333... m/sec
60 sec*60 min= 3600 sec/hr 3600sec/hr *24 hr/day=86400sec/day 86400 sec/day*2 days =172800 sec/2 days there is 172800 seconds in 2 days
Answer 7.6 mph Explanation: 3.4 meters = 0.00211266205 miles So the speed is about .002 miles/second and there are 3600 seconds in a hours. so that is .002x3600=7.2 miles per hour. Now if we use .00211 then we have 7.6 which is a better estimate. 3.4 meters/sec which is about 7.6 mph.
You need to look at a steam table first then Multiply lbs/hr steam x latent heat of evaporation in BTU/lb @ the operating pressure.
32 min 9 sec 40 min 10 sec adding gives... 71 min 19 sec 1 hr 11 min 19 sec. ■