Question

s 20 10 15 time(s) 10 2 A block attached to a spring is moving up and down. The graph plots the blocks displacement from equilibrium. Positive values are above equilibrium and negative values are below. Likewise, a positive velocity represents the block moving up and a negative velocity represents a block moving down. Evaluate each of the following statements True The displacement at point B is zero. FaiseThe velocity at point C is positive. FaiseThe velocity at point H is zero. True The velocity at point H is negative. True The velocity at point G is zero. Remember that velocity is related to the CHANGE in displacement. This change is represented by the slope on the graph above. Submit Answer Tries 5/10 Previous Tries

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Answer #1

Velocity = Change in Displacement / Time

1) At point B The value of Displacement = -15cm.

Therefore the given statement is FALSE

2) At Point C the slope is in increasing order. Therefore the given statement is TRUE

3) The slope at point H is in decreasing order. Therefore the given statement is FALSE

4) The given statement is TRUE as the slope at point H is decreasing.

5) The velocity at point G is zero.

Therefore the given statement is TRUE

Hence the overall answers are: -

1) FALSE

2) TRUE

3) FALSE

4) TRUE

5) TRUE

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