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Physics HELP!

1. On the graph above, what is the total displacement during the time interval 0s-8s?

A.) 0.6 m
B.) 5.0 m (My Answer)
C.) 2.0 m
D.) 10.0 m

2.) On the graph above, what is the instantaneous velocity?

A.) The slope of the line at any point in time. (My Answer)
B.) The difference between the final and initial displacement.
C.) The displacement divided by the time interval.
D.) The difference between the final and initial time.

Physics HELP 1 On the graph above what is the total displacement during the time interval 0s8s A 06 m B 50 m My Answer C 20 m D 100 m 2 On the graph above what class=

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MathPhys

Answer:

1. B

2. A

Explanation:

1. The displacement is the change in position.  At t = 0, x = 1.0.  At t = 8.0, x = 6.0.  So from t=0 to t=8, Δx = 6.0 − 1.0 = 5.0.

2. The instantaneous velocity is the slope of the tangent line at any point of a position vs. time graph.

The average velocity is the displacement divided by the time interval.

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