1
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle is executing simple harmonic motion with amplitude $A$. The ratio of the kinetic energies of the particle when it is at displacements of $\frac{A}{4}$ and $\frac{A}{2}$ from the mean position is

A

$4: 1$

B

$2: 1$

C

$5: 4$

D

$9: 16$

2
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the potential energy of a particle of mass 0.1 kg moving along $X$-axis is $5 x(x-4) \mathrm{J}$, then the speed of the particle is maximum at a position of

A

$x=2 \mathrm{~m}$

B

$x=3 \mathrm{~m}$

C

$x=0.5 \mathrm{~m}$

D

$x=5 \mathrm{~m}$

3
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The potential energy of a satellite of mass ' $m$ ' revolving around the Earth at a height of $R_e$ from the surface of the Earth is

( $R_e=$ Radius of Earth, $\mathrm{g}=$ acceleration due to gravity)

A

$-0.5 m g R_e$

B

$-m g R_e$

C

$-2 m g R_e$

D

$-4 m g R_e$

4
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The elastic potential energy stored in a copper rod of length one metre and area of cross-section $1 \mathrm{~mm}^2$ when stretched by 1 mm is

(Young's modulus of copper $=1.2 \times 10^{11} \mathrm{Nm}^{-2}$ )

A

$6 \times 10^{-2} \mathrm{~J}$

B

$3 \times 10^{-2} \mathrm{~J}$

C

60 J

D

3 J