Question Number 62800 by ajfour last updated on 25/Jun/19
Commented by ajfour last updated on 25/Jun/19
$${If}\:{smaller}\:{ball}\:\left({solid}\right)\:{dropped} \\ $$$${over}\:{the}\:{bigger}\:{as}\:{shown},\:{find} \\ $$$$\boldsymbol{{u}}\:{immediately}\:{after}\:{collision}. \\ $$$$\left({assume}\:{frictionless}\:{surface},\right. \\ $$$${but}\:{with}\:{coefficient}\:{of}\:{restitu}- \\ $$$${tion}\:\boldsymbol{{e}}\:{among}\:{balls}\:{and}\:{e}=\mathrm{0}\:{for} \\ $$$$\left.{ground}\:{and}\:{bigger}\:{ball}\right). \\ $$
Commented by Sayantan chakraborty last updated on 09/Sep/19
$$\mathrm{What}\:\mathrm{is}\:\mathrm{anwer}\:\mathrm{sir}???? \\ $$