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physics

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A skateboarder is approaching a set of stairs at a speed of 8 m/s. The stairs drop a vertical distance of h=3 meters and take up a horizontal distance d=5 meters. As the skater reaches the edge she can give herself a vertical component of velocity by jumping. Note: this does not change her horizontal velocity.
a.) What vertical velocity should the skater have in order to clear the stairs?
b.) Repeat with V=7m/s, 6 m/s, 5m/s, 4m/s

  • physics -

    I don't understand why somebody changes names each time they post a new problem (without work).

    I will be happy to critique your work.

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