Anonymous
Anonymous asked in Science & MathematicsPhysics · 3 weeks ago

Physics Question ?

Jim's treadmill runs with a velocity of -1.2 m/s and speeds up at regular intervals during a half-hour workout. After 25 minutes, the treadmill has a velocity of -6.5 m/s. What is the average acceleration of the treadmill during this period?

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  • oubaas
    Lv 7
    3 weeks ago

    acceleration a = (Vfin -Vin)/t = (-6.5-(-1.2))/(25*60) = -0.0035 m/sec^2 

  • 3 weeks ago

    What is the change in speed? Divide that by the time it takes to make the change. Watch out for the units.

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