Find the magnitude of the initial velocity.

  • Thread starter jessicax07
  • Start date
  • #1

Homework Statement



A ball thrown into the air lands on the same horizontal level, 38 m away, and 3 s later. Find the magnitude of the initial velocity.

Homework Equations



x = vox


The Attempt at a Solution



I just plugged the x distance which is 38m and the time which is 3s into the equation on top and got the wrong answer..
 

Answers and Replies

  • #2
1,860
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That's because you only found the velocity in the x direction. Though I suppose that unless the problem specifically stated that there is a non-zero y velocity then you'd be right. You also have to find velocity in the y direction to get the total velocity. Then find the total magnitude.
 

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