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Position of hockey puck

  1. Oct 27, 2008 #1
    1. The problem statement, all variables and given/known data
    At time t = 0, a hockey puck is sent sliding in the +x direction over a frozen lake, directly into a strong wind. Figure 2-13 gives the velocity v of the puck versus time, as the puck moves along a single axis. (The time axis is marked in increments of 0.25 s.) At t = 9.0 s, what is its position relative to its position x = 0 at t = 0?

    x = ____ m

    2. Relevant equations
    Is an equation really necessary?

    3. The attempt at a solution
    I tried finding the area of the two triangles, but got 285.25, which is wrong.
  2. jcsd
  3. Oct 27, 2008 #2


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    Homework Helper

    Note the statement of the problem.

    Each second sees how much acceleration in the opposite direction?

    So you have an initial velocity, you have an acceleration, you have the time and you need to solve for position.
    Yes, I think an equation is in order.
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