Sam's job at the amusement park is to slow down and bring to...

Sam's job at the amusement park is to slow down and bring to a stop the boats in the log ride. If a boat and its riders have a mass of $1200 \mathrm{kg}$ and the boat drifts in at $1.2 \mathrm{m} / \mathrm{s}$, how much work does Sam do to stop it?

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Key Concepts

Work

Work is defined as the energy transferred to or from an object via the application of force along a displacement. When a force is applied to slow down or stop an object, the work done by that force equals the change in the object's kinetic energy, making it a fundamental concept in energy transfer and mechanical processes.

Kinetic Energy

Kinetic energy is the energy that an object possesses due to its motion. It is calculated using the mass and the square of the velocity of the object. This concept is key when analyzing scenarios where an object's speed changes, as the change in kinetic energy indicates the amount of energy that must be dissipated or added.

Work-Energy Principle

The work-energy principle states that the net work done on an object is equal to the change in its kinetic energy. This principle is used to solve problems where forces perform work to accelerate or decelerate objects, providing a direct link between applied forces and energy changes during motion.

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