Convert 5 Joule into a system having 10m, 5kg and 1 min as fundamental units of length, mass and time
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Class 11
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>>In a new system of units, unit of mass i
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In a new system of units, unit of mass is 10 kg, unit of length is 1 km and unit of time is 1 minute. The value of 1 joule in this new hypothetical system is :
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Correct option is A)
Units of Joule are ML
2
T
−2
=kgm
2
s
−2
n
2
=n
1
[
M
2
M
1
][
L
2
L
1
]
2
[
T
2
T
1
]
−2
=1[
10kg
1kg
][
1km
1m
]
2
[
1min
1s
]
−2
=1[
10
1
][
1000
1
]
2
[
60
1
]
−2
=3.6×10
−4
units
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