39. |
Which of the
following is the appropriate unit for the mathematical expression?
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A. |
mass x distance
----------------------- and watt
time
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kg
x
m
N x m
----------- not equal to ------------
s
s |
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B. |
mass x distance2
----------------------- and watt
time |
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kg
x m2
N x m kg x m x m
----------- not equal to ------------ =
---------------
s
s
s3 |
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C. |
mass x distance2
----------------------- and joule
time2 |
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kg
x m2
kg x m x m
------------ is equal to N x m = -----------------
s2
s2
The Correct Answer is C. |
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D. |
mass x distance
----------------------- and joule
time3 |
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kg
x
m
kg x m x m
------------ no equal to N x m = -----------------
s3
s2 |