That depends on the driver's reaction time, the weight of the car, the condition of the brakes,
and the composition and condition of the pavement.
I work that out as 4.87 seconds.
Data is insufficient. initial velocity is 0. final velocity is 30 mph. Need acceleration to use the formula v = u + at.
If a runner runs a mile in 4 minutes 30 seconds he is averaging 13.33 MPH over the total distance.
About 20 seconds.
0.41 seconds.
28
24.8 mph at that rate.
At 30 mph, an object travels about 102.66 feet in two seconds.
I work that out as 4.87 seconds.
About 20 mph.
About 7 minutes and 30 seconds.
Data is insufficient. initial velocity is 0. final velocity is 30 mph. Need acceleration to use the formula v = u + at.
35 feet at 30 mph requires about 0.8 seconds.
-4 mph/sec (Study Island Answer)
It is approx 6.102 mph.
4
44 feet per second.