A 5.22-kg object passes through the origin at time to such that its x component of velocity is 4.70 m/s and its y component of velocity is -2.94 m/s. (a) What is the kinetic energy of the object at this time? 80.21 (b) At a later time t = 2.00 s, the particle is located at x 8.50 m and y5.00 m. What constant force acted on the object during this time interval? magnitude 28.49 ✔N direction -85.28 x"measured from the +x axis (c) What is the speed of the particle at t-2.00 s? m/s 8.80
A 5.22-kg object passes through the origin at time to such that its x component of velocity is 4.70 m/s and its y component of velocity is -2.94 m/s. (a) What is the kinetic energy of the object at this time? 80.21 (b) At a later time t = 2.00 s, the particle is located at x 8.50 m and y5.00 m. What constant force acted on the object during this time interval? magnitude 28.49 ✔N direction -85.28 x"measured from the +x axis (c) What is the speed of the particle at t-2.00 s? m/s 8.80
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Transcribed Image Text:A 5.22-kg object passes through the origin at time to such that its x component of velocity is 4.70 m/s and its y component of
velocity is -2.94 m/s.
(a) What is the kinetic energy of the object at this time?
80.21
(b) At a later time = 2.00 s, the particle is located at x 8.50 m and y5.00 m. What constant force acted on the
object during this time interval?
28.49
-85.28
magnitude
direction
N
x"measured from the +x axis
(c) What is the speed of the particle at t 2.00 s?
8.80
✔m/s
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