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## A 5.42-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component of velocity is −3.24 m/s. (a) What is the kinetic energy of the object at this time?  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 =        N direction=         ° measured from the +x axis (c) What is the speed of the particle at t = 2.00 s?    m/s

A 5.42-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component of velocity is −3.24 m/s.

(a) What is the kinetic energy of the object at this time?
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 = N direction= ° measured from the +x axis

(c) What is the speed of the particle at t = 2.00 s?

m/s

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