if 1kg be the unit of mass ,60 sec the unit of time and 9.81m/s² be the unit of acceleration what will be the new unit of energy
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Answer:
Dimensional formula of work is ML
2
T
−2
Multiply and divide by T
2
ML
2
T
−2
T
2
T
2
=ML
2
T
−4
T
2
The term L
2
T
−4
=(LT
−2
)
2
=a
2
can be written as square of acceleration
Dimensional formula of work is same as that of Mass×(acceleration×T)
2
Hence, new unit of work =100×(10×60)
2
=36×10
6
J
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