posted by oscar

A student runs 100 meters in 11 seconds. What is the speed of the student?

speed = distance over time; 1 mile = 1609 meters

9.1 miles per hour

16 miles per hour

20.3 miles per hour

24 miles per hour
pls help

  1. Steve

    100m/11s * 1mi/1609m * 3600s/hr = 20.3 mi/hr

    Just keep track of the units, and use the conversion factors that make them cancel out the way you want.

  2. P


  3. Eli


Respond to this Question

First Name

Your Answer

Similar Questions

  1. Physics

    Bob runs a marathon (26 miles) in 4 hrs. Note 1609 is 1 mile. I found the average speed miles/hour which is equal to 6.5 mi/hr. I need to find meters/second?
  2. Math

    A small truck is to be driven 300 miles on a freeway at a constant speed of x miles per hour. Speed laws on the freeway require that a truck must be driven between 30 miles per hour and 70 miles per hour. assume that fuel cost $3.50 …
  3. algebra

    Rachel allows herself 1 hour to reach a sale appointment 50 mile s away. After she has driven 30 miles, she realizes that she must increase her speed by 15 miles per hour in order to get there on time. What was her speed for the first …
  4. algebra

    what is the speed in miles per hour of toy car that runs 40 ft in 8 seconds. 1 hour=3600. 1 mile=5280 ft
  5. chemistry

    The conversion factor relating miles to meters is 1 mile= 1610m The speed of light is 3.00×10^8 m/s. How fast is this in miles per hour (miles/h \rm miles/h)?
  6. maths

    A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 …
  7. Math

    A car travelling at 23 miles per hour accelerates to 46 miles per hour in 5 seconds. It maintains that speed for 5 seconds before it slows to a stop in 5 seconds. Sketch and label a graph showing the car's speed over time.
  8. Trigonometry- Help!

    After one hour in flight, an airplane is located 200 miles north and 300 miles west of the airport. What is the magnitude of the plane's velocity?
  9. Algebra Readiness

    Write and solve inequality. 17. The speed limit of a highway is 55 miles per hour. A car is traveling at least 65 miles per hour. How many miles per hour m over the speed limit is the cart traveling?
  10. Math

    Amy wants to travel from elm town to lakeside at an average speed of 50 miles per hour. She travels half the distance and finds out her average speed has been on 25 miles per hour. How fast must she drive for the rest of the trip to …

More Similar Questions