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Author Question: A 0.30-kg mass is suspended on a spring. In equilibrium the mass stretches the spring 2.0 cm ... (Read 150 times)

karlynnae

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on: Jul 27, 2018
A 0.30-kg mass is suspended on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released from rest. Write down its equation of motion.
 
  A) y = (0.01 m) cos (22.1 t)
  B) y = (0.01 m) sin (22.1 t)
  C) y = (0.03 m) cos (22.1 t)
  D) y = (0.03 m) sin (22.1 t)

Question 2

Lenz's Law is a consequence of the law of conservation of
 
  A) mass.
  B) momentum.
  C) electric field.
  D) energy.
  E) charge.


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6ana001

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


karlynnae

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


6ana001

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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