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A 5.77-kg object passes through the origin at time t = 0 such that its x...

A 5.77-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.50 m/s and its y component of velocity is −3.15 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 from x axis

(c) What is the speed of the particle at

t = 2.00 s?

m/s

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