400 kph = 248.55 mph
Answer: 400 km/h = 248.548 mph
There are 5280 feet in one mile. Therefore, 400 miles per hour is equal to 400 x 5280 = 2112000 feet per hour.
400 km per hour is 248.55 miles per hour.
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.
400 miles per hour equates to 643.7 km/h or 586.7 feet per second.
400 miles per hour is 586.7 feet per second or 643.74 kilometers per hour.
First part of the question is 400 miles per hour
8 hours
400/5 = 80 miles per hour
An object moving at 400 mph is traveling at: 586.7 feet per second.
8 hours
Watch closely, and take notes:400/5 = 80 miles per hour.? ? ?