A Roller Coaster Has a Vertical Loop with Radius 29

question 21

Multiple Choice

A roller coaster has a vertical loop with radius 29.5 m.What is the minimum speed of the roller coaster car can have at the top of the loop if the passengers do not lose contact with the seats?

• A) 10.0 m/s
• B) 14.0 m/s
• C) 17.0 m/s
• D) 19.0 m/s

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Definitions:

Half-Lives

The time required for a quantity to reduce to half its initial value, commonly used in the context of radioactive decay.

Half-Life

The time required for half of the atoms in a sample of a radioactive substance to undergo radioactive decay.

Half-Life

The time required for half the atoms of a radioactive substance to disintegrate or for a substance to reduce to half its initial value.

Half-Life

The time required for half the atoms of a radioactive substance to decay or disintegrate, a measure of the stability of the substance.