physics

I need help with this question.

A car travels along a straight and level road at a constant speed of 6.2 m/s. Calculate how long (in seconds) it will take the car to travel a total distance of 262.4 miles along this road.

asked by samira
  1. Time = Distance/Speed

    If you are going to use the speed in m/s, the distance must be in meters.

    262.4 miles is 422.2 km or 422,200 m. I assume you know how to that conversion.

    Time (in seconds) = 422,200/6.2 = ___

    6.2 m/s is pretty slow for a car. A good marathon runner can run that fast.

    posted by drwls
  2. First you have to convert the miles into meters.

    There are 5280 feet in a mile, then there are 12 inches in a foot, then 2.54 centimeters in an inch and then 100 centimeters in a meter. So you should get ((262.4)(5280)(12)(2.54))/(100)= 422291.8656 meters.

    Speed= distance/time
    6.2 m/s = 422291.8656 meters/ T (s)
    T (s) = 422291.8656 meters/ 6.2 m/s
    T (s) = 6811.59123 seconds

    posted by Kyle
  3. Kyle's last step is incorrect. Note the decimal point error.

    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    a car of the mass m kg travels on a straight,level road. the driving force of the engine is 4000N and the total resistance due to air friction and tires on the road is 300N. if the car accelerates at 3m/s2 ,what is the mass m of
  2. Physics

    A car travels in the +x-direction on a straight and level road. For the first 5.00s of its motion, the average velocity of the car is V = 7.11m/s . How far does the car travel in 5.00s ? Thank you!
  3. physics

    1. A car travels down a straight, flat, level road. Initially, the car is traveling at 80.0 km/hr Northward . After traveling 0.50 0 km , the car is traveling at 95 .0 km/hr. What is the magn i tude of the car ’ s acceleration
  4. Physics

    A 1100 kg car is moving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to rest in a distance of 140 m. (a) If the road is completely level, what is the constant force
  5. hw

    A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If the car has maintained a constant speed of 56 mi/h, how far is it from its starting position?
  6. Fizik

    a car travels with velocity along a straight horizontal road . if the coefficient of static friction between the tyres and the road is us . find the shortest distance travelled by the car before it stop
  7. One more question Calculus

    A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is
  8. physics

    a convertible travels down a straight, level road at a slow speed of 13 km/h. A person in the car throws a ball with a speed of 3.6 m/s forward at an angle of 30 degrees to the horizontal. Where is the car when the ball lands?
  9. Math

    A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If the car has maintained a constant speed of 48 mi/h, how far is it from its starting position? Round your
  10. physics

    Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Da beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed

More Similar Questions