Multiple Choice
A massless spring hangs from the ceiling.How much does its potential energy increase,if a 28.8-kg mass is attached to it? The spring constant is 4800 N/m.
A) 8.3 J
B) 8.3 kJ
C) 17 kJ
D) 17 J
Correct Answer:
Verified
Correct Answer:
Verified
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