i have the equation.
but i cant finish it.
so far i have:
25cm over 1 second TIMES 60 seconds over 1 minute TIMES 60 minutes over 1 hour TIMES what? over what?
2007-10-15 12:40:00 · 4 answers · asked by hhh 1 in Education & Reference ➔ Homework Help
25cm in 1 second is
1,500cm in 60 seconds is
90,000cm in 60 minutes (or one hour)
90,000cm is 900 meters. (There are 100 cm in 1m)
So 25cm per second is 0.9Km / h (there are 1,000m in a Km)
2007-10-15 12:46:43 · answer #1 · answered by ZCT 7 · 0⤊ 0⤋
you go 25cm times 60 seconds over 1 minute times 60 minutes over 1 hour times 1meter over 100 cm times 1 km over 1000 meters= 0.9km per hour
2007-10-15 12:49:02 · answer #2 · answered by Alex 3 · 0⤊ 0⤋
a million) to remodel stuff as a rule use everyday ratios that make the units artwork out to what you opt for 120km / hr * [1h67fe9ac8ce30693ebf61ca6582a24c26 3600s] * [1000m 67fe9ac8ce30693ebf61ca6582a24c26km] in case you cancel the units you will discover that what's left i67fe9ac8ce30693ebf61ca6582a24c26/s. 2) short answer: divide by technique of three.67fe9ac8ce30693ebf61ca6582a24c2620km/1hr / 3600s] * [1000m / 1km 3.6 = 367fe9ac8ce30693ebf61ca6582a24c26/1hr / 3600s] * [1000m / 1km/s 3) large elementary lazy guy way: variety "1267fe9ac8ce30693ebf61ca6582a24c26m/h in m/s" into google
2016-10-21 05:43:38 · answer #3 · answered by ? 4 · 0⤊ 0⤋
1 cm = 1/100,000 km
60 x 60 /100,000 = 0.036
So x 25 = 0.9 km/hr
2007-10-15 12:45:32 · answer #4 · answered by JuanB 7 · 0⤊ 0⤋