AP EAPCET 2024 - 20th May Evening Shift | Motion in a Straight Line Question 7 | Physics

The relation between time $t$ and displacement $x$ is $t=\alpha x^2+\beta x$, where $\alpha$ and $\beta$ are constants. If $v$ is the velocity, the retardation is

$2 \alpha v^3 \beta^2$

$2 \alpha \beta v^3$

$-2 \beta v^3$

$2 \alpha v^3$

AP EAPCET 2024 - 20th May Morning Shift

MCQ (Single Correct Answer)

-0

A body starting from rest moving with an acceleration of $\frac{5}{4} \mathrm{~ms}^{-2}$. The distance travelled by the body in the third second is

$\frac{15}{8} m$

$\frac{25}{8} m$

$\frac{25}{4} m$

$\frac{12}{7} m$

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

A car travelling at 80 kmph can be stopped at a distance of 60 m by applying brakes. If the same car travels at 160 kmph and the same braking force is applied, the stopping distance is

240 m

170 m

360 m

480 m

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

-0

A student is at a distance 16 m from a bus when the bus begins to move with a constant acceleration of $$9 \mathrm{~m} \mathrm{~s}^{-2}$$. The minimum velocity with which the student should run. towards the bus so as the catch it is $$\alpha \sqrt{2} \mathrm{~ms}^{-1}$$. The value of $$\alpha$$ is

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