A 5-Kg Projectile Is Fired Over Level Ground with a Velocity

question 27

Multiple Choice

A 5-kg projectile is fired over level ground with a velocity of 200 m/s at an angle of 25 ° above the horizontal. Just before it hits the ground its speed is 150 m/s. Over the entire trip the change in the thermal energy of the projectile and air is:

• A) +19,000 J
• B) -19,000 J
• C) +44,000 J
• D) -44,000 J
• E) 0

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Definitions:

Indirect Method

An accounting technique used to allocate costs to specific cost objects indirectly, typically by using cost drivers or allocation bases.

Investing Activities

Financial actions that involve the purchase and sale of long-term assets and investments not included in cash equivalents.

Net Cash

The amount of cash available after accounting for cash inflows and outflows, used to measure liquidity and cash position of a business.

Marketable Securities

Financial instruments and assets that can be easily converted into cash without significant loss of value.