A Ball Is Dropped from a Roof

question 79

Short Answer

A ball is dropped from a roof. Its height in meters is described by the equation t seconds after launch. When is the rock at a height of 20 meters? Round to two decimal places.

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Definitions:

Invoice Date

The specific date on which an invoice is issued, indicating when the transaction was recorded and when payment is due.

Shipping Date

The shipping date is the specific day on which goods are dispatched from a seller to the buyer, initiating the delivery process.

Billing Date

The date on which the bill or invoice for goods or services is generated or issued.