Question

hlo ur que is here ...!!!

Answer 1

hlooo dear ur ans❤❤
....!!!!☆☆☆☆

Answer 2

$l1 = 100cm = 1.0m\\ l2 = 101cm = 1.01m \\no. \: of \: beats \: \\ m = n1 - m2 \\ 16 \div 20 = v \div 4l1 - v \div 4l2 \\ 323.2m \div s$