Respond to this Question
Similar Questions

chemistry
A sprinter set a high school record in track and field, running 200.0 m in 20.9s . What is the average speed of the sprinter in kilometers per hour
asked by randy on September 8, 2013 
CHEMISTRY
A sprinter set a high school record in track and field, running 200.0 m in 21.5s . What is the average speed of the sprinter in kilometers per hour?
asked by R on October 6, 2014 
Chemistry
1) In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal , how many liters of gasoline would you need to buy to complete a 142km trip in Europe? Use the following conversions: 1km=0.6214mi
asked by katie on August 25, 2018 
math
Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back
asked by Tish on September 11, 2014 
math
Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back
asked by Barbara on September 11, 2014 
math
Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back
asked by Alana on September 12, 2014 
physics
Suppose that a sprinter can reach maximum speed by accelerating uniformly for 1.7 seconds. What maximum speed must this sprinter maintain in order to equal the world's record of 19.5 seconds for 200 meters?
asked by jinky on November 20, 2014 
Math
AN ATHLETIC FIELD HAS THE SHAPE OF A 40 YARD BY 100 YARD RECTANGLE WITH A SEMICIRCLE AT EACH END. A RUNNING TRACK THAT IS 10 YARDS WIDE SURROUNDS THE FIELD. FIND THE AREA OF THE ATHLETIC FIELD WITH THE TRACK INCLUDED.
asked by Drew on May 18, 2015 
5th grade Math
Please help me with these math problems. #1 Matt subtracted 1.9 from 20.8 and got 1.8. Explain why this is not reasonable? #2 Explain why it is easier to find 10 minus 1.9 mentally than with paper and pencil. #3 On May 27, 2001, a
asked by Tim on September 30, 2009 
physics
A sprinter has a mass of 82.0 kg. If the sprinter is running at a speed of 22.5 km/h, determine his kinetic energy. __________ × 103 J.
asked by help on July 31, 2014