A Toy Rocket That Weighs 10 N Blasts Straight Up

question 16

Multiple Choice

A toy rocket that weighs 10 N blasts straight up from ground level with an initial kinetic energy of 40 J.At the exact top of its trajectory,its total mechanical energy is 140 J.To what vertical height above the ground does it rise,assuming no air resistance?

• A)1.0 m
• B)10 m
• C)14 m
• D)24 m

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Definitions:

Net Income

The total profit of a company after all revenues and gains are added together and all expenses and losses are subtracted.

Net Cash

The sum of all cash and cash equivalents that a company holds, subtracting liabilities that need to be paid immediately.

Operating Activities

The recurring operations of a business that pertain to providing its main goods or services and generate revenue.

Net Cash

The actual cash that is available with a company after all deductions, including expenses and liabilities, have been made.