Data is insufficient. initial velocity is 0. final velocity is 30 mph. Need acceleration to use the formula v = u + at.
About 20 seconds.
0.41 seconds.
24 seconds.
34 minutes 47 seconds.
About 32 minutes 43 seconds.
28
About 7 minutes and 30 seconds.
35 feet at 30 mph requires about 0.8 seconds.
22.7 seconds.
11.2 seconds.
About 20 seconds.
0.41 seconds.
30 seconds.
24.8 mph at that rate.
24 seconds.
At 30 mph, an object travels about 102.66 feet in two seconds.
1 minute 30 seconds at 40 mph