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