Question Number 64823 by Tanmay chaudhury last updated on 22/Jul/19
Commented by Tanmay chaudhury last updated on 22/Jul/19
$${pls}\:{try}\:{to}\:{solve}\:{the}\:{above}\:{two}… \\ $$
Commented by mr W last updated on 22/Jul/19
$${if}\:{u}\:{is}\:{not}\:{given},\:{i}\:{think}\:{there}\:{is}\:{no} \\ $$$${unique}\:{solution}.\: \\ $$$${is}\:{the}\:{question}\:{complete}? \\ $$
Commented by Tanmay chaudhury last updated on 22/Jul/19
$${initial}\:{velocity}\:{is}\:{u}\:{but}\:{not}\:{mentioned}\:{any}\:{value} \\ $$$${i}\:{want}\:{to}\:{know}\:{the}\:{path}\:{of}\:{particle}\:{after}\:{reflection} \\ $$
Commented by mr W last updated on 22/Jul/19
$${i}\:{think}\:{if}\:{the}\:{ball}\:{hits}\:{the}\:{hemisphere} \\ $$$${surface}\:{uprightly},\:{and}\:{since}\:{no}\:{energy} \\ $$$${gets}\:{lost},\:{the}\:{ball}\:{will}\:{return}\:{to}\:{its} \\ $$$${original}\:{position}. \\ $$
Commented by mr W last updated on 14/Feb/21
$${i}\:{have}\:{investigated}\:{the}\:{general}\:{case} \\ $$$${of}\:{this}\:{problem},\:{see}\:{Q}\:\mathrm{132102} \\ $$