A Stone Is Tied to a 0

question 18

Multiple Choice

A stone is tied to a 0.50-m string and whirled at a constant speed of 4.0 m/s in a vertical circle.Its acceleration at the top of the circle is:

• A)9.8 m/s², up
• B)9.8 m/s², down
• C)8.0 m/s², down
• D)32 m/s², up
• E)32 m/s², down

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Definitions:

Streptobacilli

Rod-shaped bacteria that grow in chains and can cause diseases in humans and animals.

Diplobacilli

A type of bacteria that forms pairs of bacilli, which are rod-shaped bacterial cells, often involved in various human diseases.

Staphylococcus

A genus of spherical bacteria known to cause various infections due to its resistance to antibiotics.

Thermoacidophiles

Microorganisms that thrive in extremely hot and acidic environments, such as hot springs and hydrothermal vents.