Depends what car it is.
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To determine how long it takes to travel a distance of 339 miles, you would need to know the speed at which you are traveling. The time taken to travel a distance is calculated by dividing the distance by the speed. If you are traveling at a constant speed of 60 miles per hour, you can calculate the time it takes to travel 339 miles as follows: Time = Distance / Speed Time = 339 miles / 60 miles per hour Time ≈ 5.65 hours Therefore, it would take approximately 5.65 hours to travel 339 miles at a constant speed of 60 miles per hour.
Time = Distance/Speed
Distance = Rate * TimeAlgebraically manipulated,Time = Distance/RateTime = 90 miles/45 mph= 2 hours========
The distance of 78 miles cannot be directly converted into hours, as miles is a unit of distance and hours is a unit of time. To determine how long it would take to travel 78 miles, you would also need to know the speed at which you are traveling. For example, if you are traveling at a speed of 60 miles per hour, it would take approximately 1.3 hours to travel 78 miles.
The stopping distance, after decelerating from 60 mph to 0 mph, will depend on the efficiency of the brakes, the friction between the tyres and the road surface and the mass of the vehicle.The initial speed alone cannot give you an answer.