Projectile motion and kinematics in 2D

  • Thread starter Ajeezy
  • Start date
  • #1
Ajeezy
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Homework Statement


A dolphins leaps out of the water at an angle of 35 degrees above the horizontal. The horizontal component of the dolphin's vleocity is 7.7 m/s. Find the magnitude of the veritcle component.


Homework Equations


I'm not sure what equations to use.


The Attempt at a Solution


No attempts either, i'm totally clueless.

thanks for any help
 

Answers and Replies

  • #2
radou
Homework Helper
3,134
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How are the components of the velocity vector related to its magnitude?
 
  • #3
Cudi1
98
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you know the horizontal component, and you know that horizontal component*costhetheta yields an answer of 7.7 m/s , so find vi, and solve for vertical component
 

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