An unwary football player collides with a padded goalpost while running at a vel

Physics
Tutor: None Selected Time limit: 1 Day

An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s and comes to a full stop after compressing the padding and his body 0.450 m.

(a) How long does the collision last?
 s
(b) What is his deceleration?
 m/s2
Sep 8th, 2015

Thank you for the opportunity to help you with your question!

Hope it helps. 

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Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 8th, 2015

Sry,but the a was wrong

Sep 8th, 2015

I see, i made the mistake, sorry about that.

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Sep 8th, 2015
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