A Rock Falls from a Vertical Cliff That Is 4

question 25

Multiple Choice

A rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance as it falls.At what speed will its gravitational potential energy (relative to the base of the cliff) be equal to its kinetic energy?

• A)3.1 m/s
• B)4.4 m/s
• C)6.3 m/s
• D)8.9 m/s
• E)13 m/s

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Definitions:

Simple Rate

A basic method for calculating interest or return, often expressed as a percentage over a period of time.

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Cash operating activities involve the cash inflows and outflows directly related to the core business operations, such as revenue from sales and payments to suppliers.

Useful Life

The estimated duration of time a fixed asset is expected to be useful for its intended purpose.

Automating

The process of implementing systems and technology to perform tasks without human intervention, often to improve efficiency and accuracy.