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Grade: 12
        
a ball is dropped from some height and allow to free fall neglect air resistance find the ratio of distance covered by it in three consecutive second of its motion . take acceleration due to gravity = 10m/s2.
7 months ago

Answers : (1)

Arun
12306 Points
							
Dear Adarsh
 
Distance travelled in nth second
sn = (1/2) * 10 * (2n-1) = 5 (2n-1)
 
Now
Sn-1  = 5 (2(n-1) -1) = 5(2n -3)
Sn+1 = 5 (2(n+1)-1) = 5 (2n+1)
 
Hence ratio = (2n-3) : (2n-1) : (2n+1)
 
Regards
Arun (askIITians forum expert)
7 months ago
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