Question

if a new practical unit of work is defined with new mass, lenth and time
ar 10,1/2,1/5 types of standand mass,
length and time then what is the value
of 1kj
​

Answer 1

Answer:

8 joules of work done can be expressed,as

Work =8joules=8kgm

2

/s

2

where units,

mass=kg

length=m

Time=second=s

Let the new units be KG,M and S

According to question ,new mass is double that of initial value.

KG=2kg

M=m (Since no change is mentioned)

S=

2

s

Work=8kgm

2

/s

2

=8(KG/2)×M

2

/(2S)

2

=

8

8

(KGM

2

/S

2

)

=1 Joule of work.

Explanation:

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