Question Number 71049 by jagannath19 last updated on 11/Oct/19
Commented by jagannath19 last updated on 11/Oct/19
$${explain} \\ $$
Commented by mr W last updated on 11/Oct/19
$$\left(\mathrm{4}\right)\:{all}\:{are}\:{possible} \\ $$$${a}_{{T}} =\frac{{dv}}{{dt}} \\ $$$${if}\:{a}_{{T}} >\mathrm{0}\:\Rightarrow\:{a}_{\mathrm{1}} \\ $$$${if}\:{a}_{{T}} =\mathrm{0}\:\Rightarrow\:{a}_{\mathrm{2}} \\ $$$${if}\:{a}_{{T}} <\mathrm{0}\:\Rightarrow\:{a}_{\mathrm{3}} \\ $$