A Ball Is Thrown Downward from the Top of a Building

question 16

Multiple Choice

A ball is thrown downward from the top of a building with an initial speed of 25 m/s.It strikes the ground after 2.0 s.How high is the building,assuming negligible air resistance?

• A)20 m
• B)30 m
• C)50 m
• D)70 m

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Definitions:

Equipment

Tangible assets used in the operation or production process of a business, such as machinery, computers, and tools.

Interest Rate

The percentage of a loan that is applied as interest for the borrower, usually shown as an annual rate.

Account

A record summarizing all the transactions pertaining to a particular item in the financial statements.

Annual Rate

The interest rate stated on a yearly basis, often used in the context of savings accounts, loans, or investments to represent the yearly cost or return.