Question Number 14921 by Tinkutara last updated on 05/Jun/17
$$\mathrm{A}\:\mathrm{car}\:\mathrm{travelling}\:\mathrm{at}\:\mathrm{36}\:\mathrm{km}/\mathrm{h}\:\mathrm{due}\:\mathrm{North} \\ $$$$\mathrm{turns}\:\mathrm{West}\:\mathrm{in}\:\mathrm{5}\:\mathrm{seconds}\:\mathrm{and}\:\mathrm{maintains} \\ $$$$\mathrm{the}\:\mathrm{same}\:\mathrm{speed}.\:\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{acceleration} \\ $$$$\mathrm{of}\:\mathrm{the}\:\mathrm{car}? \\ $$
Commented by ajfour last updated on 05/Jun/17
$${south}-{west}\:\left({along}\:\bigtriangleup\bar {{v}}\:\right) \\ $$
Commented by Tinkutara last updated on 05/Jun/17
$$\mathrm{Thanks}\:\mathrm{Sir}!\:\mathrm{My}\:\mathrm{small}\:\mathrm{doubt}\:\mathrm{cleared}. \\ $$
Answered by ajfour last updated on 05/Jun/17
$$\mid\:\bar {\boldsymbol{{a}}}\mid=\mid\frac{\bigtriangleup\bar {\boldsymbol{{v}}}}{\bigtriangleup{t}}\mid\:\:=\:\frac{\mathrm{10}\sqrt{\mathrm{2}}}{\mathrm{5}}=\:\mathrm{2}\sqrt{\mathrm{2}}\:{m}/{s}\:. \\ $$
Commented by Tinkutara last updated on 05/Jun/17
$$\mathrm{What}\:\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{direction}\:\mathrm{of}\:\mathrm{this} \\ $$$$\mathrm{acceleration}? \\ $$