A Test Rocket Is Fired Straight Up from Rest with a Net

question 53

Multiple Choice

A test rocket is fired straight up from rest with a net acceleration of 20.0 m/s2. After 4.00 seconds the motor turns off, but the rocket continues to coast upward with no appreciable air resistance. What maximum elevation does the rocket reach?

• A) 487 m
• B) 327 m
• C) 320 m
• D) 408 m
• E) 160 m

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Definitions:

Cash Register

A mechanical or electronic device used for registering and calculating transactions at a point of sale.

Cash Receipts

The collection of money, typically recorded during the period in which it is received.

Cash Sales

Transactions where payment is made in cash at the time of sale, as opposed to credit sales where payment is deferred.

Journalize

The process of recording financial transactions in a company's journal, outlining the details of each business transaction.