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Homework Help: Relative Motion 1D: Collisions

  1. Oct 8, 2012 #1
    1. The problem statement, all variables and given/known data

    A mosquito flies toward you with a velocity of 2.2 km/h (E). If you are travelling toward the mosquito with a speed of 1.9 m/s, and a distance of 21.0 m separates you and the mosquito initially:

    A) What will your displacement be when you hit the mosquito? (7)

    B) How long will it take you to reach the mosquito? (2)

    *I checked my answers with the check digits (7) and (2) and it did not equal 5.

    2. Relevant equations

    Dyou : Dyou(initial) + Vyou(initial)t + (1/2)(ayou^2)(t^2)

    Dmos : Dmos(initial) + Vmos(initial)t + (1/2)(amos^2)(t^2)

    3. The attempt at a solution

    In attachment.
     

    Attached Files:

  2. jcsd
  3. Oct 8, 2012 #2
    Did I do it right? See below.
     

    Attached Files:

  4. Oct 8, 2012 #3
    Yes, yours makes sense. I think this means that I've done the question correctly...

    Thank you so much!!!
     
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