A Ball Is Thrown Downward from the Top of a Building

question 13

Multiple Choice

A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It hits the ground in 2.0 s. How high is the building?

• A) 70 m
• B) 50 m
• C) 30 m
• D) 20 m

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Definitions:

Pathogens

Microorganisms or agents that cause disease when they infect a host organism.

Autoclave

A device used to sterilize equipment and supplies by subjecting them to high-pressure saturated steam at 121 °C for around 15 to 20 minutes.

Sterile Areas

Specific zones within healthcare facilities maintained free from all forms of living microorganisms to prevent infections during medical procedures.

Bacterial Spore

A primitive, thick-walled reproductive body capable of developing into a new individual; resistant to killing through disinfection.