Two smooth rings A and B are connected by a string. A Another string connect Ring A and block, if string are tight then at given moment
Answers
Answer:
vB=24m/s
Explanation:
Answer:
The correct answer for this question is VB = 20 m/s.
Explanation:
VA cos37° = 12
VA = 15 m/s
And, VA cos37° = VB cos53°
⇒ VB = 20 m/s
The above problem is solved using resonance in physics.
Resonance is the relatively large selective response of an object or a system to an external oscillatory force that causes it to vibrate in step or phase. First, acoustical systems like musical instruments and the human voice were studied for resonance. When one of the natural frequencies of vibration of the pushed or driven harmonic oscillator is identical to the frequency of the applied force, resonance results. Resonance can be found in many aspects of daily life, including swing, guitar, pendulum, bridges, and music systems. If the applied vibration's frequency matches the body's natural frequency, the body will begin to vibrate with very significant amplitude.
Thus, resonance will happen if an object is forced to vibrate at its inherent frequency.