1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If a car travels $40 \%$ of the total distance with a speed $v_1$ and the remaining distance with a speed $v_2$, then average speed of the car is

A

$\frac{1}{2} \sqrt{v_1 v_2}$

B

$\frac{v_1+v_2}{2}$

C

$\frac{2 v_1 v_2}{v_1+v_2}$

D

$\frac{5 v_1 v_2}{3 v_1+2 v_2}$

2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A diving board is at at height of $h$ from the water surface. A swimmer standing on this board thrown a stone vertically upward with a velocity $16 \mathrm{~ms}^{-1}$. It reaches the water surface in a time of 5 s . In the next 0.2 s the diver can hear the sound from water surface. The speed of sound is (acceleration due to gravity $g=10 \mathrm{~ms}^{-2}$ )
A
$450 \mathrm{~ms}^{-1}$
B
$225 \mathrm{~ms}^{-1}$
C
$200 \mathrm{~ms}^{-1}$
D
$275 \mathrm{~ms}^{-1}$
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A person walks up a stalled escalator in 90 s. When standing on the same moving escalator, he reached in 60s. The time it would take him to walk up the moving escalator will be
A
36 s
B
72 s
C
18 s
D
27 s
4
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle starts from rest and moves in a straight line. It travels a distance $2 L$ with uniform acceleration and then moves with a constant velocity a further distance of $L$. Finally, it comes to rest after moving a distance of $3 L$ under uniform retardation. Then, the ratio of average speed to the maximum speed $\left(\frac{v}{v_m}\right)$ of the particle is

A
$\frac{6}{11}$
B
$\frac{7}{11}$
C
$\frac{5}{11}$
D
$\frac{2}{11}$

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