A stone is thrown in upward direction. it's equal is S=80t-16t². The time to attain maximum height is?
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0
Answer:
sorry i dont know
Answered by
2
ANSWER
S=8t−16t
2
diff. both sides w.r.t. t
dt
ds
=8−32t
To maximize height but
dt
ds
=0
∴ 8−32t=0
t=
32
8
=
4
1
dt
2
d
2
s
=
dt
d
[8−32t]
=−32<0
∴ At t=
4
1
,S maximum
t=0.25s
Hope it helps
S=8t−16t
2
diff. both sides w.r.t. t
dt
ds
=8−32t
To maximize height but
dt
ds
=0
∴ 8−32t=0
t=
32
8
=
4
1
dt
2
d
2
s
=
dt
d
[8−32t]
=−32<0
∴ At t=
4
1
,S maximum
t=0.25s
Hope it helps
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