7?

Asked by smanishkumar2002 | 20th May, 2018, 10:25: PM

Expert Answer:

Given colon

increment straight x space equals space 10 to the power of negative 5 end exponent space straight m

Mass space equals space 25 space straight g

space space space space space space space space space equals 25 cross times 10 to the power of negative 5 space kg end exponent

increment straight v space equals ?

We space know space that comma

open parentheses increment straight v close parentheses cross times open parentheses increment straight x close parentheses space equals fraction numerator straight h over denominator 4 πm end fraction

space space space space space space space space space space space space space space space increment straight v equals fraction numerator straight h over denominator 4 πm increment straight x end fraction

space space space space space space space space space space space space space space space space space space space space space space equals fraction numerator 6.625 cross times 10 to the power of negative 34 end exponent over denominator 4 cross times begin display style bevelled 22 over 7 end style cross times 10 to the power of negative 5 end exponent end fraction

space space space space space space space space space space space space space space space space space space space space space space equals fraction numerator 46.375 cross times 10 to the power of negative 29 end exponent over denominator 88 end fraction

space space space space space space space space space space space space space space space space space increment straight v space equals 5.2 cross times 10 to the power of negative 30 space end exponent straight m divided by straight s
 
Uncertainty in velocity is 5.2× 10-30 m/s.

Answered by Varsha | 21st May, 2018, 09:46: AM