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a ball of mass 100g is thrown from a building of height 100m ith velocity of 25m/s2. find the time taken

siddhi , 5 Years ago
Grade 10
anser 1 Answers
Vikas TU

Last Activity: 5 Years ago

Dear student
Use S = ut +½ gt^2 
u =25 m/s 
100 = 25t +5t^2 
t^2 +5t - 20 = 0 
t = (-5+ sqrt(105))/2 
Hope this will help 
Good Luck 
 
 

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