The answer is D
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Answer:
Explanation:
A unit used to measure a vector quantity is the
c) Newton
Answer:If kinetic energy increases, so does the thermal energy, and vice versa.
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Answer:
Total length of spring 0.647 m
Explanation:
We have given mass of the person m = 150 kg
Acceleration due to gravity 
Spring constant k = 10000 N/m
Nominal length of spring = 0.50
According to hook's law


x = 0.147 m
So total length of spring = 0.50+0.147 = 0.647 m