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Question
Submitted by JFoey. on Wed, 2012-10-31 22:54
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A ball is thrown straight up with a speed of 30 m/s. How long does it take to reach the...

A ball is thrown straight up with a speed of 30 m/s. How long does it take to reach the maximum height?

Answer
Submitted by shahimermaid on Thu, 2012-11-01 04:44
teacher rated 386 times
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A xxxx xx thrown straight up xxxx a xxxxx xx xx m/s. xxx xxxx xxxx it take xx xxxxx xxx xxxxxxx xxxxxx

xx

xxx ball xx thrown with x speed xxx xx xxxxxxx x xxxxxxx xxxxxx xxx xxx at that point as xx si going up, it xx xxx xxxxxxxx acceleration xxxx xxxxx xx

 a= -g

xx

x2 - u2 x 2as

xxxx - xxx x x x xxxx x s

 

xxxx xx x xxxx = s

 

45.9 m xx the xxxxxxx height

xx

xx x + xx

x = xx x xxx x t

xxxxxxxx =t

 

t = 3.06 xxxxxxx

xx


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