you have good braking habits, you could pay less. 30 miles per hour = 44.0 feet per second. Knots versus Miles per Hour - NASA For a truck driver cruising in a longer, heavier vehicle, more space and time is needed. The kinetic energy that has to be dissipated and the surrounding medium have huge effects on the answer. Illustration showing longitude convergence. The braking distance at 50mph is 38m almost twice as long as a cricket pitch. Speed of Sound table chart including Speed of Sound at a known temperature and density of air, Speed of Sound vs Density of Air . To convert between miles per hour (mph) and feet per second (ft/sec): V (mph) = V (ft/sec) * 0.681818. Thatll give you the stopping distance in feet. Miles per Hour to Feet per Second Conversion (mph to ft/s) Finish Time = Distance / Speed. Miles per hour and feet per second are both units used to measure speed. Where: Input the slope of the road. Miles per hour can be expressed using the formula: * The 'textbook' answer (for a Toyota driving on a good road in dry conditions) is that the total stopping distance D (in feet) at . The thinking distance alone for stopping after travelling at 70mph is about 5 car lengths. Thatll give you the stopping distance in feet. 5 miles at 20 MPH takes 15minutes. At higher speeds, the car will cover a greater distance while the driver realises he or she needs to brake to avoid a hazard. You should leave at least the recommended distance when driving a well-maintained car with good road and weather conditions. For example, here's how to convert 5 miles per hour to feet per second using the formula above. Talking to passengers and fiddling with the radio or heating can also divide your attention. The answer is a bit less than 50 m. To get this result: We assume the road is flat and dry. The MPH is 70. 32. For example, if driving a 60-foot vehicle at speeds over 40 mph, you . The distance traveled from the moment you first hit the brake until you come to a complete stop is called the braking distance. We're a Which? Walking 3 miles in 30 minutes would give you: 60/30 = 2. He holds several degrees and certifications.
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