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Byju's Answer
Standard VI
Chemistry
Mechanical Energy
The total ene...
Question
The total energy E possessed by a body of mass 'm', moving with a velocity 'v' at a height 'h' is given by :
E
=
1
2
m
v
2
+
m
g
h
.
Find m, if
v
=
3
,
g
=
10
,
h
=
5
and
E
=
109
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Solution
Given
v
=
3
,
g
=
3
,
h
=
5
,
a
n
d
E
=
109
E
=
1
2
m
v
2
+
m
g
h
Putting values given
109
=
1
2
m
(
3
2
)
+
m
(
10
)
(
5
)
218
=
9
m
+
100
m
109
m
=
218
m
=
2
k
g
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