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A particle executes simple harmonic moti...

A particle executes simple harmonic motion. Its amplitude is 8 cm and time period is 6s.The time it will take to travel from its position of maximum displacement to the point correspoding to half of its amplitude, is _________s.

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To solve the problem, we need to analyze the motion of a particle undergoing simple harmonic motion (SHM). ### Step-by-Step Solution: 1. **Understanding SHM Parameters**: - The amplitude \( A \) of the motion is given as \( 8 \) cm. - The time period \( T \) is given as \( 6 \) seconds. 2. **Finding the Position at Maximum Displacement**: - The maximum displacement corresponds to the amplitude, which is \( x = A = 8 \) cm. 3. **Finding the Position at Half Amplitude**: - Half of the amplitude is \( \frac{A}{2} = \frac{8 \, \text{cm}}{2} = 4 \, \text{cm} \). 4. **Using the Equation of Motion**: - The position \( x \) in SHM can be described by the equation: \[ x(t) = A \cos\left(\frac{2\pi}{T} t\right) \] - We need to find the time \( t \) when the particle moves from \( x = 8 \) cm to \( x = 4 \) cm. 5. **Setting Up the Equation**: - At \( x = 4 \) cm: \[ 4 = 8 \cos\left(\frac{2\pi}{6} t\right) \] - Simplifying this gives: \[ \cos\left(\frac{2\pi}{6} t\right) = \frac{1}{2} \] 6. **Solving for Time**: - The cosine function equals \( \frac{1}{2} \) at angles \( \frac{\pi}{3} \) and \( \frac{5\pi}{3} \). - Thus, we have: \[ \frac{2\pi}{6} t = \frac{\pi}{3} \quad \text{or} \quad \frac{2\pi}{6} t = \frac{5\pi}{3} \] - Solving for \( t \): - For \( \frac{\pi}{3} \): \[ t = \frac{6}{2} \cdot \frac{1}{3} = 1 \, \text{s} \] - For \( \frac{5\pi}{3} \): \[ t = \frac{6}{2} \cdot \frac{5}{3} = 5 \, \text{s} \] 7. **Finding the Time Interval**: - Since the particle starts at maximum displacement (8 cm) and moves to half amplitude (4 cm), we take the first solution: - The time taken to go from maximum displacement to half amplitude is \( 1 \, \text{s} \). ### Final Answer: The time it will take to travel from its position of maximum displacement to the point corresponding to half of its amplitude is **1 second**.

To solve the problem, we need to analyze the motion of a particle undergoing simple harmonic motion (SHM). ### Step-by-Step Solution: 1. **Understanding SHM Parameters**: - The amplitude \( A \) of the motion is given as \( 8 \) cm. - The time period \( T \) is given as \( 6 \) seconds. ...
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