A car starts from rest and travels with uniform acceleration $\alpha$ for some time and then with uniform retardation $\beta$ and comes to rest. If the total travel time of the car is $‘t’$, the maximum velocity attained by it is given by :-
A car starts from rest and travels with uniform acceleration $\alpha$ for some time and then with uniform retardation $\beta$ and comes to rest. If the total travel time of the car is $‘t’$, the maximum velocity attained by it is given by :-
- A
$\frac{\alpha \beta}{(\alpha + \beta)}.t$
- B
$\frac{1}{2} \frac{\alpha \beta}{(\alpha + \beta)}.t^2$
- C
$\frac{\alpha \beta}{(\alpha - \beta)}.t$
- D
$\frac{1}{2} \frac{\alpha \beta}{(\alpha - \beta)}.t^2$
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