Physics, asked by ramv5986, 1 year ago

In a practical unit if the unit of mass become double and that of unit of time becomes half, than 8 joul willbe.......unit of work

Answers

Answered by rbjetc2001
1
1 joule= kg m^2 sec^-2
Hence, if mass is doubled and time is halved the new relation will be 1 joule = 2kg (m/2)^2 sec^-2
i.e. 2kg (m^2)/4 sex^-2
i.e kg (m^2)/2 sec^-2
hence 8 joule will be 4 units of work
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