A 5-G Coin Is Dropped from a 300-M Building

question 46

Multiple Choice

A 5-g coin is dropped from a 300-m building. If it reaches a terminal velocity of 45 m/s, and the rest of the energy is converted to heating the coin, what is the change in temperature (in °C) of the coin? (The specific heat of copper is 387 J/kg⋅°C.)

• A) 9
• B) 2
• C) 5
• D) 21
• E) 0.5

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Definitions:

SPIN Selling

A sales technique that involves asking Situation, Problem, Implication, and Need-payoff questions to better understand customer needs and offer suitable solutions.

Types of Questions

Varieties of inquiries used for different purposes, such as closed-ended, open-ended, leading, and rhetorical questions.

Personal Selling Process

Personal Selling Process is a face-to-face sales technique involving a series of steps from identifying potential buyers to closing the sale, tailored to fit the individual customer's needs and preferences.

Steps

Sequential actions taken towards achieving a particular goal or completing a process.