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pathosdebater

  • 2 years ago

Please Help... A robot travels at a speed of 1.35 m/sec at a direction of 45.0 degrees for 305 seconds. It then travels at a speed of 1.50 m/sec at a direction of 140.0 degrees for 852 seconds. What is the total displacement at the end of the second maneuver? First, give the y component of the first displacement vector calculated in the problem.

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  1. sauravshakya
    • 2 years ago
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    |dw:1353046766024:dw|

  2. sauravshakya
    • 2 years ago
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    u need to find x

  3. sauravshakya
    • 2 years ago
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    |dw:1353046901075:dw| use cosine rule to find x

  4. pathosdebater
    • 2 years ago
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    Don't I need to find the degrees of the other angles?

  5. pathosdebater
    • 2 years ago
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    Does the cosine rule solve for both x and the angles?

  6. robtobey
    • 2 years ago
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    A solution using Mathematica 8 Home Edition for the calculations and a plot is attached.

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