Question

In an experiment the measurement of mass m=1.5+_0.1 kg and that of velocity v=3.0+_0.2 m/s. The value of linear moment should be reported as (in kg-m/s)

Answer 1

Answer:

Explanation:its the attachment given here.

Answer 2

Given that,

Mass, $m=1.5\pm 0.1\ kg$

Velocity, $v=3\pm 0.2\ m/s$

To find,

The value of linear momentum

Solution,

For the first part, momentum is given by :

$p=mv\\\\p=1.5\ kg\times 3\ m/s\\\\p=4.5\ kg-m/s$

For the second part,

$\dfrac{\Delta p}{p}=\dfrac{\Delta m}{m}+\dfrac{\Delta v}{v}\\\\\dfrac{\Delta p}{p}=0.1+0.2\\\\\dfrac{\Delta p}{p}=0.3$

So, the value of linear momentum is :

$p=4.5\pm 0.3\ kg-m/s$

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