it is 724.05km/h
450km is about 280 miles.
If I can travel 450 miles in 2 hours, I can travel 450 ÷ 2 = 225 miles in 1 hour. As I can travel 225 miles in each hour, I can travel 1200 miles in: 1200 ÷ 225 = 51/3 hours = 5 hours 20 minutes.
time = distance / speed so, 450 miles / 100 mph = 4.5 hours
To travel 200 miles at 450 mph takes 26 min 40 sec. time = distance / speed = 200 miles / (450 miles / hour) = 4/9 hour ≈ 0.444 hour 1 hour = 60 min → 4/9 hour = 4/9 × 60 min = 26 2/3 min ≈ 26.667 min 1 min = 60 sec → 2/3 min = 2/3 × 60 sec = 40 sec
A train traveling with an average speed of 55 miles per hour will take 8 hours 10 minutes & 54.545 seconds to travel 450miles. 450/55 = 8.1818181818181818181818181818182 hours
450 kilometers (km) is about 280 miles.
18,302.2 seconds.
70-75 miles per hour
There are 1.609344 kilometres in one mile. Therefore, 450 miles is equal to 450 x 1.609344 = 724.2048 kilometres.
450 kilometers is 279.62 miles.
It goes 9,432,989,000,123 miles per hour, believe me it is my best subject
450 km = 279.617 mi.
724,2 km.
450km is about 280 miles.
Speeds have been measured at up to 450 mph (700km/h)
90 miles per hour.
450 Knots is 517.95 miles per hour.