Multiple Choice
A weightless spring is stretched 10 cm by a suspended 1-kg block. If two such springs are used to suspend the block, one spring above the other, to effectively provide one double-length spring, then the total stretch of the double-length spring will be
A) 5 cm.
B) 10 cm.
C) 20 cm.
D) 30 cm.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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