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anonymous

  • one year ago

A car of mass 1200 kg is traveling at 2 m/s. Then it collides with a heavy boulder in the road. During the collision, the car moves forward only 15 cm before stopping. What is the average force exerted by the boulder on the car? PLEASE HELP on the answer choices its to the power of 4 and not 104.

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  1. anonymous
    • one year ago
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    .5 × 105 N 3.2 × 104 N 5.4 × 104 N 1.6 × 104 N 1.8 × 104 N I got D but not sure if its right

  2. baru
    • one year ago
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    i'm getting 1.6

  3. baru
    • one year ago
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    how did u do it? v^2 - u^2 = 2as ?

  4. anonymous
    • one year ago
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    yeah, so pretty much its gonna be 1.6 im guessing

  5. baru
    • one year ago
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    yep..go with D. :)

  6. anonymous
    • one year ago
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    thanks :)

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