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
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
Similar questions