Contoh Soal Gerak Harmonik Sederhana

Hai guys, pada suka fisika gak nih ? ayo bahas soal mengenai GHS ini, ganbatte !!! :)

ELASTICITY AND SIMPLE HARMONIC MOTION

1.      Pada seutas kawat baja dengan panjang 3 m dan luas penampang 0,15 cm² digantungkan sebuah benda bermassa 500 kg. Tentukan :

a.    Konstanta gaya kawat baja

b.   Pertambahan panjang (modulus elastisitas baja = 2 x 10¹¹ N/m²)

2.      An object moves in harmonic motion with maximum deviation 6 cm and period 8 seconds.

a.    Calculate the deviation at 1 second, 2 seconds, and 4 seconds.

b.   Calculate the velocity at 1 second, 2 seconds, and 4 seconds

3.      An object with mass 0,1 kg moves inharmonic motion with amplitude 10 mm and period π/2 seconds.

Determine :

a.    Maximum velocity and acceleration

b.   In what time the max velocity and acceleration?

4.      A particle moves in harmonic motion with frequency 100 Hz and amplitude 3 X 10^-4 m. Determine :

a. Velocity and acceleration in equilibrium point

b.Velocity and acceleration in maximum deviation

c. Equation of velocity and acceleration

5.      A particle moves in harmonic motion with frequency 5 Hz and amplitude 10 cm. Velocity of the particle when the deviation 8 cm is…. (cm/s)