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saplinglearning.com University of Pittsburgh- Phys 0110-Spring18- BR www.saplinglearning.com/ibis/css/A Jump 3/19/2018 10:00 AM O 16.7, 100 Calculator Question 2 of 6 Sapling Learning this question has beecntomined b Matteo Broccdlo at University of Pitsbungh A mass is attached to a horizontal ideal spring Judging approximately from the graph below (position vs time), at time t = 12 s, the mass has x (m) 1.0 Position vs. time 0.5 0 40 0.5 1.0 O O O O O positive velocity and negative acceleration. positive velocity and positive acceleration. negative velocity and positive acceleration. positive velocity and zero acceleration. negative velocity and negative acceleration. Previous Give Up & View Solution Check Answer o

Explanation / Answer

As you can see from the graph, the position is negative.

In SHM due to a spring, the velocity is negative as the slope of the graph at that point is negative, but the accelerations is positive.

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