When Jim and Rob Ride Bicycles, Jim Can Only Accelerate

question 20

Multiple Choice

When Jim and Rob ride bicycles, Jim can only accelerate at three quarters the acceleration of Rob. Both start from rest at the bottom of a long straight road with constant upward slope. If Rob takes 5.0 minutes to reach the top, how much earlier should Jim start to reach the top at the same time as Rob?

• A) 25 s
• B) 40 s
• C) 46 s
• D) 55 s
• E) 75 s

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Definitions:

Critical Thinking

The objective analysis and evaluation of an issue in order to form a judgment, crucial in problem solving and decision-making processes.

Reasoned Thought

The process of thinking about something in a logical, sensible way, often involving critical evaluation.

Hierarchical Process

A structured method where tasks or decisions are arranged in levels of importance or authority.

Practical Knowledge

Knowledge gained through direct experience or practice, as opposed to theoretical understanding.