Physics, asked by chandanajammalamadug, 20 days ago

In a new system of units, unit of mass is taken as 10 kg, unit of length is 60 m and unit of time is 1 minute. The value of 20 N weight of a body in the new unit will be (1) 20 unit (2) 60 unit (3) 40 unit (4) 120 unit​

Answers

Answered by pandeyushashi
0

Units of Joule are ML2T−2=kgm2s−2

n2=n1[M2M1][L2L1]2[T2T1]−2

      =1[10kg1kg][1km1m]2[1min1s]−2

      

      =1[101][10001]2[601]−2

=3.6×10−4units. ans

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