Saturday, August 21, 2010

Practice Questions

  1. A violent wind blew a board across a 50 m yard in 1.5 seconds. What was the speed of the board?
  2. The Wright Brother's first flight in a powered airplane covered 37 meters and lasted 12 seconds. What was the speed of that flight?
  3. The world record for covering 400m in a drag racing car is 4.43 seconds. The top speed at the end was 150.27 m/s. What was the acceleration of the drag racer.
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10 comments:

  1. reid d.August 21, 2010 at 6:44 PM

    Thanks

    ReplyDelete
  2. hannah b.August 22, 2010 at 12:40 PM

    thanks

    ReplyDelete
  3. Tyler JAugust 22, 2010 at 2:35 PM

    Hey can you please post the answers? I`ve already answered the questions I just want to make sure its right

    ReplyDelete
  4. Coach BAugust 22, 2010 at 2:46 PM

    Will do in a bit.

    ReplyDelete
  5. Coach BAugust 22, 2010 at 8:19 PM

    1) 33.3 m/s
    2) 3.08 m/s
    3) Assuming that the initial speed was 0 m/s, then 33.92 m/s/s is the answer.

    ReplyDelete
  6. Emily SAugust 22, 2010 at 8:21 PM

    thanks

    ReplyDelete
  7. caleb s.August 22, 2010 at 8:23 PM

    how many formulas can be on the index card

    ReplyDelete
  8. Coach BAugust 22, 2010 at 9:35 PM

    4...speed, distance, time, velocity and acceleration.

    ReplyDelete
  9. Coach BAugust 22, 2010 at 9:36 PM

    make that 5. Mr. Barr can't count.

    ReplyDelete
  10. reid d.August 23, 2010 at 6:56 AM

    thanks for the answers......i did the problem but i needed to know if they were right

    ReplyDelete

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