Question

2 Calculate and compare the electrostatic and gravitational force between two protons which
m apart. Value of G = 6.674 x 10-11 mkg 1-2 and mass of the proton is 1.67 x 10
kg
3 If ten students are asked to measure the length of a piece of cloth up to a mm, using a meter scale, do
you think their answers will be identical? Give reasons.
reparated by 250
T1​

Answer 1

$\sf\Large\qquad\quad16\\ \begin{array}{cc} \cline{2 - 2}\sf 20 )&\sf \ 327\\&\sf - 20 \downarrow\\ \cline{2-2}& \sf \ \ \ \ 127\\ &\sf \ - 120 \\ \cline{2-2} & \sf \ \007 \\ \cline{2-2} \end{array}\\\\\\ Divisor \rightarrow 20 \\ \\ Quotient \rightarrow 16\\\\Remainder \rightarrow 7$