Question

A 5.32-kg object passes through the origin at time t = 0 such that its x...

A 5.32-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.40 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?
  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?

Science   Physics   
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Answer #1

To find the kinetic energy first find the value of velocity in terms of magnitude then solve it. By using the distance go formula find the distance travelled then acceleration n finally solve for constant force.

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