a stone dropped from a height of 20 m how long take to reach the ground what will be its speed Biology it's the ground
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h= 1/2× g× t^2
t^2= 2h/g= 4
t= 2 sec.
v= gt
v= 20 m/sec
t^2= 2h/g= 4
t= 2 sec.
v= gt
v= 20 m/sec
habeeb76:
thank you bro
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