5) A spring is stretched 0.15 m and the force was 1500 N. What is the spring constant?

Answer:
k = 10000
Explanation:
F = k(x)
Where k is the spring constant.
F = 1500N
x = 0.15m
=> 1500 = k (0.15)
=> k (0.15) = 1500
=> k = 1500/0.15
=> k = 150000/15
=> k = 10000