The velocity of an object undergoing SHM with amplitude A is shown as a function

Question

The velocity of an object undergoing SHM with amplitude A is shown as a function of time. Find the labeled points in response to the questions below (e.g., if the answer to the first question is 1, and to the rest, 4, enter 14444). 1)For which of the labeled points is the object located between x=-A and x=0, and moving in the positive direction? 2)For which of the labeled points is the object at x=+A?

3)For which of the labeled points is the object located between x=0 and x=A, and moving in the negative direction?

4)For which of the labeled points is the object at x=0 and moving in the positive direction?

5)For which of the labeled points does the object have its largest acceleration in the positive direction?

Explanation / Answer

part 1 )

point 7

slope is positive at point 7

part 2 )

point 2

at point 2 the maximum displacement and positce value

part 3 )

point 3

part 4 )

point 8

check the both side of point 8 slope of tangent is positive

part 5 )

1 and 7

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