By car, it's about 873 miles.
Going in opposite directions, they separate at the rate of (90 + 120) = 210 miles per hour.They are 735 miles apart after (735/210) = 3.5 hours.
It depends on how fast you travel. If you travel 735mph, you will travel 735 miles in one hour. If you travel 147mph, you will travel 735 miles in 5 hours. It all depends on how fast you go.
About 735 miles.
735 miles.
Dividing distance travelled by speed gives 735/70 = 10.5 hours or 10 hours 30 minutes.
About 735 miles.
You can subtract the hours and the minutes separately.
11 hours 18 minutes @65 mph
11 hours 18 minutes. This is the actual driving time at that speed and does not include stops or delays.
Time and distance are measures of two entirely different things. For example, it would take a car traveling at 60 miles per hour 12 hours and 15 minutes to travel 735 miles. On the other hand light traveling through a vacuum would only take 0.0039456 seconds to travel 735 miles.
735