While the Gondola Is Rising at a Speed of 5

question 78

Multiple Choice

While the gondola is rising at a speed of 5.0 m/s, a passenger in a balloon-supported gondola throws a small ball up at a speed of 2.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is

• A) 2.0 m/s, up.
• B) 2.8 m/s, down.
• C) 3.0 m/s, up.
• D) 5.0 m/s, up.
• E) 7.0 m/s, up.

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Definitions:

Virtual Accidents

Simulated accidents within a digital environment, often used in safety training or the study of human responses to emergency situations.

Texting

The act of sending and receiving short text messages, usually through mobile phones or internet-based applications.

Placebo Effect

A phenomenon in which a fake treatment, an inert substance like a sugar pill, can sometimes improve a patient's condition simply because the person has the expectation that it will be helpful.

Experimenter Effect

The influence that the experimenter's presence, behavior, or characteristics can have on the results of a research study.