Solved Assignments | Chapter 17 Simple Harmonic Motion | 12th Physics | NBF | Federal Board
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Chapter 15: Gravitation
• Chapter 15 Gravitation
Chapter 16: Statistical Mechanics & Thermodynamics
• Chapter 16 Statistical Mechanics & Thermod...
Chapter 17: Simple Harmonic Motion
• Chapter 17 Simple Harmonic Motion
171. An object with mass 𝟓𝟎𝟎𝒈 is suspended from a spring. The spring is stretched by 𝟗.𝟖𝒄𝒎. Calculate the spring constant.
17.2 Time period of a mass attached at the end of a spring is 𝟎.𝟒𝟎𝒔. Find out the magnitude of acceleration when the displacement is 𝟒𝒄𝒎.
17.3 Find the time periods of a simple pendulum with length 𝟏𝒎, placed on Earth and on Moon. The value of 𝒈 on the surface of Moon is 1.6th of its value on Earth.
17.4 Find the amplitude, frequency and time period of an object oscillating at the end of a spring, if the equation for its position at any instant 𝒕 is given by 𝒙=𝟎.𝟐𝟓𝒄𝒐𝒔(𝝅/𝟖)𝒕. Also find the displacement of the object after 𝟐.𝟎𝒔.
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