A 10-Kg Block on a Horizontal Frictionless Surface Is Attached

question 47

Multiple Choice

A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m) .The block is initially at rest at its equilibrium position when a force (magnitude P = 80 N) acting parallel to the surface is applied to the block,as shown.What is the speed of the block when it is 13 cm from its equilibrium position?

• A)0.85 m/s
• B)0.89 m/s
• C)0.77 m/s
• D)0.64 m/s
• E)0.52 m/s

---

Definitions:

Prototypes

Original or first models of something from which other forms are copied or developed, often used in the context of product design and cognitive psychology.

Heuristic

A mental shortcut that allows people to solve problems and make judgments quickly and efficiently, often using past experiences and common sense.

Decision

The process of making choices by identifying a decision, gathering information, and assessing alternative resolutions.

Polya's Four Steps

A problem-solving approach involving four phases: understanding the problem, devising a plan, carrying out the plan, and looking back at the solution process.