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  3. a small block with mass 0.0400 kg is moving in the

A small block with mass 0.0400 kg is moving in the xy-plane. The net force on...

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Physics

A small block with mass 0.0400 kg is moving in thexy-plane. The net force on the block is described by thepotential- energy function U(x,y)= (5.90 J/m2 )x2-(3.50 J/m3)y3.

A)

What is the magnitude of the acceleration of the block when itis at the point x= 0.39 m , y= 0.68 m ?

Express your answer with the appropriate units.

B) What is the direction of the acceleration of the block whenit is at the point x= 0.39 m , y= 0.68 m ?

Answer & Explanation Solved by verified expert
4.1 Ratings (545 Votes)
The relation between force F and the potential energyfunction U is given byWhereGivenSo Therefore    See Answer
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