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The graph shown below models that path of a ball thrown up in the air.  The height is in metres, and the time is in seconds.

 

a) What is the maximum height reached by the ball?

b) When did the ball reach the maximum height?

c) How long was the ball in the air?

 

 Mar 20, 2021
 #1
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a)  max height = 20 m

 

b) 2.5  sec to reach  this height

 

c )   symmetry  =   2 ( 2.5)  =  5 sec

 

 

cool cool cool

 Mar 20, 2021

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