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You have to know the decelerating force acting on the car (say the brakes).
time taken = velocity change divided by deceleration (negative acceleration).
so
if you can measure the distance it took to stop you can find the negative acceleration a:
a = velocity change squared divided by 2x distance measured.
Your velocity change = 20 mph - 0 mph = 20 mph = 29.333 feet per second.
Units must all be consistant i.e. feet and seconds.
What else can I help you with?
How long does it take to drive 550 miles at 65 miles per hour?
8.46 hours non-stop
How long does it take to drive 1200 miles at 75 miles per hour?
16 hours, if you do it non-stop
How long does it take to drive 1900 miles going 50 miles per hour?
38 hours, if you don't stop.
How long will it take to drive 117 miles at 70 miles per hour?
If you drove non-stop at a constant speed of 70 mph, it would take about 1 hour and 40 minutes.
How long would it take to drive 132 miles at 75 miles per hour?
If you drove non-stop at a constant speed of 75 mph, it would take about 1 hour and 45 minutes.
How long will it take to drive 442 miles if you are driving at 65 miles per hour?
6.8 hours if you don't stop to eat, take restroom breaks, etc.
How long does it take to drive 100 miles at seventy miles per hour on a freeway?
If you could drive non-stop at a constant speed of 70 mph, it would take 1 hour and 25 minutes.
How long does 4 miles take to drive?
It depends on how fast you are driving . At 60 miles per hour it would take ( 4 minutes ) to drive 4 miles
How long does it take to drive 730 miles at 60 miles per hour?
If your not gonna stop, 12.166666667. so about 12 hours and 10 minutes.
How long does it take to travel 60 miles going at a speed of 60 miles per hour?
Watch closely. Stop me if you see anything you don't understand:60/60 = 1 hour.
How long will it take to drive 330 miles at 90 miles per hour?
330/90 = 32/3 hours.Realistically, you ought to crank in another 1/2 hour for the speeding stop.
If you were driving 65 miles per hour how long will it take you to drive 310 miles?
If you were driving 65 miles per hour how long will it take you to drive 310 miles?
