speed of light in kilometers per hour is 299 000 kilometers per second X 60 gives you kilometers per minute X 60 gives you kilometers per hour.
Let speed of stream = y kmph & speed of boat = x kmphspeed downstram((x + y)kmph) = 8 * 60 / 40 kmph= 12 kmphspeed upstream((x - y) kmph) = 8/1 kmph= 8 kmphx + y = 12x - y = 8--------------2x = 20,2y = 4x = 10,y = 2=>Speed of stream = 2 kmph, Speed of boat = 10 kmp
mph / kmph
126.9 kmph
Leopards can run at speeds of over thirty-eight MPH
365 kmph
408 KMPH
kmph
Its 120 KMpH.
care
around 100 kmph
In 2012 it was 37.8km/h
around 220 mph (354 kmph)the bugatti veyron is 252 mph (407 kmph)