meters

  1. S

    HELP! A 1.0 kilogram rubber ball traveling east at 4.0 meters per second hits a

    wall and bounces back toward..? the west at 2.0 meters per second. What is the kinetic energy of the ball after it bounces off the wall compared to the kinetic energy of the ball before it hits the wall? a. the same b. four times as great c. one-fourth as great d. one-half as great PLEASE...
  2. S

    HELP! A 1.0 kilogram rubber ball traveling east at 4.0 meters per second hits a

    wall and bounces back toward..? the west at 2.0 meters per second. What is the kinetic energy of the ball after it bounces off the wall compared to the kinetic energy of the ball before it hits the wall? a. the same b. four times as great c. one-fourth as great d. one-half as great PLEASE...
  3. J

    100 meters sprint questions please help?

    well i am a guy and turn 14 and sunday. i live in nj so it was cold here to. Im morer of a 100,200,400 meter runner also. im faster than you.
  4. V

    I swam 500 meters in 20 minutes how many calories did I burn?

    I am over 250 pounds.
  5. M

    What features are you hoping for in future diabetes meters?

    I'm hoping to design a better diabetes meter, but am not actually diabetic myself. Those of you with diabetes, what would you like to see in a new product? Thanks!
  6. S

    Can i take off 2 secounds in my 100 meters? (read)?

    im 16, a sophmore. 138 lbs. i can run the 100 meters in 12 secound. by the time im a senior, can i take off 2 secounds? (ofcourse with hard training all year around) and i know id take a few years or so, but is this possible?
  7. A

    Bluetooth 1000 meters range?

    Lets's say we have a laptop with USB Bluetoth adapter with up to 1000 m range when used with a directional antenna (they can be bought for about 120$). And we have a mobile phone with a BT range of up to 10 m. Will I be able to transfer data using bluetooth between the two devices if the...
  8. B

    How can I get faster at sprinting 100 meters?

    I am a Senior in high school and i decided to join the track team to get fit. I am around 6'1'' and 214 pounds at the moment, but I played football (defensive linemen) during my junior year, so I have some speed in me, but a lot of it disappeared because I did not relaly exercise much after...
  9. A

    how far is 300 meters on a 1/2 mile track? half a mile is 800 meters correct?

    just need the info ive seen all kinds of answers. thanks
  10. U

    A car travels 30 meters in 5 seconds. what is its average speed?

    a) 6 m/s b) 25 m/s c) 35m/s d)150m/s
  11. S

    Do old power meters reset every month?

    I have an old electricity meter in my house. Right now its reading 3867 KW. I need to know whether power meters reset every month or not?
  12. M

    Can electricity meters be faulty?

    I'm curious, and fairly desperate to figure this out. According to the meter we are using about 45 kilowatt hours a day. Last winter it was 27 kwh, and we haven't got any new Appliances or changed anything since then. Can the meter be wrong?
  13. D

    a lot of 300 meters sprints..........?

    Today in practice my coach made us run nine 300m sprints with only 2 mins in between each He said I should be getting 45sec for each since i run a 40 sec one in a meet I could only do 45 sec for the first 2 or 3 He thinks that im out of shape...I dont know What do u think.
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