Friday

January 30, 2015

January 30, 2015

Posted by **Chelsea** on Wednesday, October 31, 2012 at 9:22am.

- physics -
**Elena**, Wednesday, October 31, 2012 at 1:36pmWithout air resistance

KE=PE

mv²/2=mgh

h=v²/2g =27²/2•9.8 = 37.2 m

(mgh-mgh1)/mgh = (h-h1)/h= (37.2-16.3)/37.2=0.56

56%

**Answer this Question**

**Related Questions**

PHYSICS - An object is thrown straight upwards from the ground at 28 m/s. Due to...

physics - An object is thrown upwards and after 2 seconds is 78 m above where it...

math - using this information: if an object is thrown straight up into the air ...

math - using this information: if an object is thrown straight up into the air ...

math. can someone explain this! - using this information: if an object is thrown...

physics - A first object is thrown vertically upward with some initial speed and...

Physics - A plane flying in a straight line at constant altitude of 2000 m above...

physics - You are told that the linear "drag coefficient" due to air resistance ...

Physics - An object is thrown upwards at an initial speed of 19.6m/s from a ...

physics - two objects are thrown from the top edge of a cliff with a speed of 10...