Answer:
d. 4A
Explanation:
On cycle of motion means that the block should come back to its starting point after traveling to the other end (-A).
So, from A to 0, then 0 to -A, then it comes back from -A to 0 and finally from 0 to A.
Total distance traveled is 4A.
The Total distance travelled by the block is : ( D ) 4A
In one complete cycle of motion the block will travel back and forth from its original position
since the block is pulled to a position X = A
Initial distance travelled ( i.e. pulled to ) = A
When the block is released from rest after been pulled its cycle = A + A + A = 3A
∴ In one full cycle of its motion the Block must travel
3A + A ( pulled distance before release )
= 4A
Hence we can conclude that the total distance travelled by the block is 4A
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