Physics, asked by bhavanasuresh581, 2 months ago

The lengths of two bodies
measured by
a meter
scale are l1= (20 ± 0.5 cm and

12 = ( 15 ± 0.2 cm. calculate
sum
of these lengths
(b) Difference between the lengths.

Answers

Answered by umadevisasikumar6131

1

Explanation:

I) l1+l2:

L= 20+15

deltaL=0.5+0.2

final length=35±0.7 cm

II) l1-l2

L=20-15

deltaL=0.5+0.2

final length=5±0.7cm

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