40 meters per second = 89.477 miles per hour(rounded)
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60 - seconds in a minute. X 40 - meters per second. ----------------------------------- 2400 - meters per minute X 2 - minutes ---------------------------------- 4800 meters in 2 minutes.
(4 meters/second)(40 seconds) = 160 meters.
40 meters/10 seconds = 4 meters per second.
40 mph = about 58.6 feet per second.
That's the formula for the height of an object that was tossed upward at a speed of 40 meters per second, after ' t ' seconds . This object has to be something like a canonball, or a baseball pitched by a professional etc. The initial vertical speed of 40 meters per second is almost 90 miles per hour upward !