An Astronaut Lands on an Earthlike Planet and Drops a Small

question 39

Multiple Choice

An astronaut lands on an Earthlike planet and drops a small lead ball with a mass of 76.5 g from the top of her spaceship.The point of release is 18 m above the surface of the planet and the ball takes 2.5 s to reach the ground.The astronaut's mass on Earth is 68.5 kg.Her weight on the planet is

• A)69.0 N
• B)395 N
• C)670 N
• D)990 N
• E)1.02 kN

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Definitions:

Scientific Method

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge, based on empirical or measurable evidence.

Functional Fixedness

A cognitive bias that limits a person to using an object only in the way it is traditionally used.

Representative Heuristic

A mental shortcut that involves making judgments based on how well something matches existing prototypes or stereotypes in our minds.

Heuristics

Mental shortcuts or rules of thumb that simplify decision making, often leading to a solution that is good enough rather than perfect.