A 2.0-kg object is moving without friction along the x-axis.The potential energy curve as a function of position is shown in the figure,and the system is conservative.If the speed of the object at the origin is 4.0 m/s,what will be its speed at 7.0 m along the +x-axis?
A)4.0 m/s
B)4.2 m/s
C)4.4 m/s
D)4.6 m/s
E)9.8 m/s

Question

A 2.0-kg object is moving without friction along the x-axis.The potential energy curve as a function of position is shown in the figure,and the system is conservative.If the speed of the object at the origin is 4.0 m/s,what will be its speed at 7.0 m along the +x-axis? 
A)4.0 m/s 
B)4.2 m/s 
C)4.4 m/s 
D)4.6 m/s 
E)9.8 m/s

Quizplus · Accepted Answer

The Answer of A 2.0-kg object is moving without friction along the x-axis.The potential energy curve as a function of position is shown in the figure,and the system is conservative.If the speed of the object at the origin is 4.0 m/s,what will be its speed at 7.0 m along the +x-axis? 
A)4.0 m/s 
B)4.2 m/s 
C)4.4 m/s 
D)4.6 m/s 
E)9.8 m/s

A 20-Kg Object Is Moving Without Friction Along the X-Axis