CBSE Class 9 Answered
find the time in following question
Asked by | 11 Jun, 2008, 06:00: PM
Expert Answer
use the formula v = u + at
v is final velocity which is zero in this case ,
a is retardation whose value is -1.2 m/sec2
calculate the u in terms of t
and now use the formul s=ut+at2/2
put the value of s in this eq. which is 12m and subsitude the value of u from above eq. and calculate the value of t.
Answered by | 11 Jun, 2008, 11:11: PM
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