Recent content by cbrowne

  1. C

    Ball Thrown up in air, Velocity Question

    o ok.. i think i understand now.. so my answer is then i guess t= 0.256, since it was thrown 1 second after.
  2. C

    Ball Thrown up in air, Velocity Question

    should i add 1 second to my time?
  3. C

    Ball Thrown up in air, Velocity Question

    sorry, i have absolutely no idea how to draw that lol
  4. C

    Ball Thrown up in air, Velocity Question

    so i get t=0.256 ... is this right? so this is the time it takes for the stone to catch up to the ball. how could i figure out B) the velocity?
  5. C

    Ball Thrown up in air, Velocity Question

    Homework Statement A ball is thrown vertically upward with an initial speed of 11 m/s. One second later, a stone is thrown vertically upward with an initial speed of 25 m/s. (a) Find the time it takes the stone to catch up with the ball. (b) Find the velocities of the stone and the ball...
  6. C

    How do I calculate the uncertainity when converting minutes to hours?

    well if u multiply 0.16 x 60= 9.6 but the actual value is 10.0 so its off by 0.4 . As you go up the table the uncertainty becomes smaller and smaller
  7. C

    How do I calculate the uncertainity when converting minutes to hours?

    so should i say the uncertainity is tm ± 0.4 (h) ?
  8. C

    Length and Value of KE Question. Please Check Answer

    Homework Statement 1) Two pieces of wood are glued together to form a long stick. The length of the first piece is L1 = 0.97 ± 0.02 m, and the length of the second piece is L2 =1.04 ± 0.01 m. What is the length (including uncertainty) of the stick? 2) An object of mass m = 2.3± 0.1...
  9. C

    Give the error formula for y=x5

    so what should i write for the answer, because i am clueless right now.
  10. C

    Give the error formula for y=x5

    Homework Statement i have no idea what the heck this means :confused: : Give the error formula for y=x5 Can someone help me?
  11. C

    How do I calculate the uncertainity when converting minutes to hours?

    Homework Statement I have no idea how to calculate this: Calculate the uncertainity (limit error) when you convert minutes to hours: Minutes____Hours__ 10.0 0.16 20.0 0.33 30.0 0.5 Homework Equations They've given me like Time Elapsed...
  12. C

    Acceleration Question.Please Check My Answer

    THANK SOO MUCH FOR NOTICING THAT MISTAKE! I end up getting 2.8 x10^-8 for my answer. Could you please verify this
  13. C

    Acceleration Question.Please Check My Answer

    Homework Statement An electron in a cathode ray tube of a TV set enters a region where it accelerates uniformly from a speed of 3.5 × 104 m/s to a speed of 1.4 × 106 m/s in a distance of 2.0 cm. (a) What is the acceleration of the electron in this region? (b) How long is the electron in...
  14. C

    What is the Time and Distance for a Hockey Player to Catch Up with an Opponent?

    thanks for replying. I have no idea what to do or where to start for this question. I was baseing my answer from this website: http://www.ux1.eiu.edu/~cfadd/1350/Hmwk/Ch02/Ch2.html if you scroll to the bottom its pretty much the same question but instead of 3.8 m/s its 4.0 m/s. Any help...
  15. C

    How Accurate Are These Sig Fig Calculations and Unit Conversions?

    Hey I don't want to loose points for this primary question, could someone please go over my answers. Thanks! Homework Statement 1. Perform the following operations and write your answers with appropriate number of significant figures: (a) 589.01−89.020 (b) 1.0×9.00 (c) 180 /pi (d)...