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Grade: 11
        Ball dropped from 100 another ball thrown upward from bottom with 50 m/ s they will cross after
one year ago

Answers : (1)

Arun
22985 Points
							
100- h) = 0 – 1/2 gt2 g be negative be cause or h = 100 – 1/2 gt2 …. (1) its direction be downward
 For B –
 h = 50t – 1/2 gt2 …… (2)
 From 1 and 2
 
 
 or 100 = 50t
 
            or t= 2 sec
one year ago
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