1

IIT-JEE 1978

Subjective
A car accelerates from rest at a constant rate $\alpha$ for some time after which it decelerates at a constant rate $\beta$ to come to rest. If the total time lapse is t seconds, evaluate.

(i) maximum velocity reached, and

(ii) the total distance travelled.

Answer

$(i)\,{{\alpha \beta } \over {\alpha + \beta }}t$

$(ii)\,{1 \over 2}{{\alpha \beta } \over {\alpha + \beta }}{t^2}$

Questions Asked from Motion

On those following papers in Subjective
Number in Brackets after Paper Indicates No. of Questions
IIT-JEE 1996 (1)
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IIT-JEE 1979 (2)
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IIT-JEE 1978 (1)
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