If a spring stores 5 J of energy when it's compressed by 0.5 m, what is the spring constant of the spring?
A. 400 N/m
B. 800 N/m
O C. 40 N/m
O D. 80 N/m
SUBNET

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

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Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation