A wheeled cart, which is free to move along the x-axis, passes through the origi

Question

A wheeled cart, which is free to move along the x-axis, passes through the origin, moving in the +x direction, with a kinetic energy of 12.0 J. The cart's mass is 5.50 kg. As the graph in the figure below shows, if the cart is between x = ?1 m and x = +2 m, the net force acting on it is 1.00 N in the positive x-direction. If the cart is between x = +2 m and x = +7 m, the net force acting on it is 4.00 N in the negative x-direction. If the cart is between x = +7 m and x = +8 m, the net force acting on it is 2.00 N in the positive x-direction. The net force is zero at all other locations.

Where does the cart reverse direction?

If you wanted the cart to reach the x = +8 m mark, what is the minimum kinetic energy the cart should have at x = 0?

Explanation / Answer

A Manual Reverse gear is a gear situated within your gearbox on its own and once selected it connects or engages to the first gear gearing (top shaft engages through Helical Teeth) but reverses the motion because the reverse gear also connects to the lay shaft gearing to the bottom set of gearing.

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