Answer:
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The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
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Answer:
A. The bird watcher followed the south trail a distance of five kilometers in 45 minutes.
Complete Question
A 75 kg man and a 100. Kg woman are playing tug of war on a frictionless surface. The man accelerates toward the woman at 2.0 m/s2.How much force does she use to pull on the rope
Answer:
The value is 
Explanation:
From the question we are told that
The mass of the man is 
The mass of the woman is
The acceleration of the man is 
Generally the force which she used to pull the rope is mathematically represented as

=> 
=> 
Answer:
Displacement = 0.707A
Explanation:
To solve for the displacement we know that
Potential energy PE = 1/2Total energy (Etotal)
Therefore 1/2kx^2 = 1/2(1/2KA^2)
Solving for x we have
x^2 = √A^2/2
x = A/√2
x= 0.707A