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categoryفيزياء
schoolبكالوريوس
event_available2026-07-13
السؤال
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16.
1/4 points | Previous Answers SerPSE9 7.P.039.
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A 6.32-kg object passes through the origin at time t = 0 such that its x component of velocity is 4.50 m/s and its y component of velocity is -2.97 m/s.
(a) What is the kinetic energy of the object at this time?
91.64
J
(b) At a later time t = 2.00 s, the particle is located at x = 8.50 m and y = 5.00 m. What constant force acted on the object during this time interval?
magnitude 56.65
X
N
direction 30.46
X
measured from the +x axis
(c) What is the speed of the particle at t = 2.00 s?
2.82
× m/s
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