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look this attachement
hope it help you ..
see simple trick
t = u/g
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Initial velocity = 497cm/sec
=4.97m/sec .
Final velocity = 0
Acceleration = 10 ms^-2 .
Now , let time of ascent be t.
v = u - at .
0= 4.97- 10t .
t =0. 497s .→t =0.5 s
Since , time of ascent is equal to time of descent , the required answer is 0.5s +0.5s = 1s
=4.97m/sec .
Final velocity = 0
Acceleration = 10 ms^-2 .
Now , let time of ascent be t.
v = u - at .
0= 4.97- 10t .
t =0. 497s .→t =0.5 s
Since , time of ascent is equal to time of descent , the required answer is 0.5s +0.5s = 1s
thanks a lot bro ☺☺☺
aree bhai
cm aur m me fark nahi pata ?? kya
change to kar lete
ye nahi yaar
cm h aur m me fark hota h bhai dekh dhyan se
bhai samjhe ya bas ..
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