Body of mass 2 Kg moving in the x-y plane

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SUMMARY

The potential energy of a body with a mass of 2 Kg moving in the x-y plane is defined by the equation U = 6x + 8y, where x and y are the position coordinates in meters. At rest at the coordinates (6m, 4m) at time t=0, the body will cross the y-axis at time t=1s. This conclusion is derived from analyzing the motion based on the given potential energy function.

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1. The potential energy (in joule) of a body of mass 2 Kg moving in the x-y plane is given by
U=6x+8y
Where the position coordinates x and y are measured in meters.If the body is at rest at point (6m,4m) at time t=0,it will cross the yaxis at time t equal to
a. 2s
b. 1s
c. 3s
4. 4s
 
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