40 mph
105 mph = 154 fps
A: 9 hours.
55 minutes = 11/12 hours. 19 miles per 11/12 hours = 20.7272 mph or 20+1/8 mph
0.3896 second (rounded)
105 minutes
50 mph = 50 miles per 60 minutes = 50*105/60 miles in 105 minutes = 87.5 miles.
6 hours 26 minutes.
3 hours 30 minutes.
1 hour, 18 minutes, 45 seconds
148.75 miles.
650/60 = 105/6 hours = 10hours 50minutes
20 minutes.
4 hours 9 minutes.
288 miles travelled in 105 mins. avg. speed is 164.5714286 mph.
40 mph
122.5 miles