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1. |
A particle with restoring force proportional to displacement and resisting force proportional to velocity is subjected to a force Fsinωt. If the amplitude of the particle is maximum for ω=ω1 and the energy of the particle maximum for ω=ω2, then$ |
A. | ω<sub>1</sub>≠ω<sub>0</sub> and ω<sub>2</sub>=ω<sub>0</sub> |
B. | ω<sub>1</sub>=ω<sub>0</sub> and ω<sub>2</sub>=ω<sub>0</sub> |
C. | ω<sub>1</sub>≠ω<sub>0</sub> and ω<sub>2</sub>≠ω<sub>0</sub> |
D. | ω<sub>1</sub>≠ω<sub>0</sub> and ω<sub>2</sub>≠ω<sub>0</sub> |
Answer» B. ‚âà√¨‚àö¬¢<sub>1</sub>=‚âà√¨‚àö¬¢<sub>0</sub> and ‚âà√¨‚àö¬¢<sub>2</sub>=‚âà√¨‚àö¬¢<sub>0</sub> | |