A Parachutist Jumps Out of an Airplane and Accelerates with Gravity

question 33

Multiple Choice

A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 58.8 m/s in 6.00 seconds.She then pulls the parachute cord and after a 4.00-second constant deceleration,descends at 10.0 m/s for 60.0 seconds,reaching the ground.From what height did the parachutist jump?

• A)914 m
• B)1 130 m
• C)1 520 m
• D)1 750 m

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Definitions:

Babinski reflex

A reflex action of the foot in which the big toe extends upwards and the other toes fan out when the sole of the foot is firmly stroked, common in infants.

Regression

A return to behavior characteristic of earlier stages of development.

Moro reflex

An involuntary reflex found in infants, often referred to as the startle reflex, where the baby flings their arms out and then retracts them quickly in response to a sensation of falling or a sudden noise.

Differentiation

The process of identifying and defining the differences or distinctions between things or people, often used in the context of individual psychological development or in systems theory.