Answer:
588 N
Explanation:
weigh = Mg
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Answer:
The value of spring constant is 266.01 
Explanation:
Given:
Mass of pellet
kg
Height difference of pellet rise
m
Spring compression
m
From energy conservation law,
Spring potential energy is stored into potential energy,

Where
spring constant, 



Therefore, the value of spring constant is 266.01 
Answer: A if thats not right its C
Explanation:
The answer is B tell me if I am wrong.