A source S emitting sound of 300 Hz is fixed of block A which is attached to free end of a spring `S_A` as shown in the figure. The detector D fixed on block B attached to the free end of spring `S_B` detects this sound.
The blocks A and B are simultaneously displaced towards each other through of 1.0 m and then left to vibrate. Find the maximum and minimum frequencies of sound detected by D if the vibrational frequency of each block is 2 Hz (velocity of sound is 340 m/s).

A source S emitting sound of frequency 300Hz is fixed on block A which is attached to the free end of a spring S_(A) as shown in figure. The detector D fixed on block B attached to free end of spring S_(B) detects this sound. The blocks A and B are simultaneously displaced towards each other through a distance of 1.0m and then left to vibrate. The maximum and minimum frequencies of sound detected by D, if the vibrational frequency of each block is 2Hz are (Velocity of sound v=340m//s )

A source S emitting sound of 300 Hz is fixed on block A which is attache to free end of a spring S_(A) as shown in figure. The detector D fixed on block B attached to free end of spring S_(B) detects this sound. The blocks A and B simultaneously displaced towards each other thrugh a distance of 2.0m and then left to vibrate. If the product of maximum and minimum freuquencies of sound detected by D is K + 10^(4) sec^(-2) . Find K . Given the vibrational frequencies of each block is 5//pi Hz . speed of sound in air = 300 m//s

A source S emitting sound of 300 Hz is fixed on block A which is attache to free end of a spring S_(A) as shown in figure. The detector D fixed on block B attached to free end of spring S_(B) detects this sound. The blocks A and B simultaneously displaced towards each other thrugh a distance of 2.0m and then left to vibrate. If the product of maximum and minimum freuquencies of sound detected by D is K + 10^(4) sec^(-2) . Find K . Given the vibrational frequencies of each block is 5//pi Hz . speed of sound in air = 300 m//s

A source S emitting sound of frequency 288 Hz is fixed on block B which is attached to the free end of a spring S_(2) and an observer O is on block A which is attached to the free end of spring S_(1) as shown in the figure. The blocks A and B are simultaneously displaced towards each other through a distance of 0.5 m and then left to oscillate. If the angular velocity of each blocks is 40"rad"s^(-1) , then the maximum frequency observed by the observer is (speed of sound in air is 340 ms^(-1) )

One end of a spring is rigidly fixed. A block attached to the free end of the spring is pulled through a distance x_(0) . On releasing the block, its amplitude of motion cannot exceed +-x_(0) . Why?