SATHEE: Oscillations - Result Question 15

Oscillations - Result Question 15

18. Which one of the following statements is true for the speed $v$ and the acceleration $a$ of $a$ particle executing simple harmonic motion?

(a) When $v$ is maximum, $a$ is zero

[2004]

(b) When $v$ is maximum, $a$ is maximum

(c) Value of a is zero, whatever may be the value of $v$

(d) When $v$ is zero, a is zero

Show Answer

Answer:

Correct Answer: 18. (a)

Solution:

(a) When $v$ is maximum, $a$ is zero

$v = ω \sqrt{A^{2} - x^{2}}; a = ω^{2} x$ $v_{max}$ at $x = 0$ , but at $x = 0, a = 0$

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Oscillations - Result Question 15

18. Which one of the following statements is true for the speed v and the acceleration a of a particle executing simple harmonic motion?

Answer:

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18. Which one of the following statements is true for the speed $v$ and the acceleration $a$ of $a$ particle executing simple harmonic motion?