A 10-G Bullet Moving Horizontally with a Speed of 2

question 59

Multiple Choice

A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block moving with a speed of 4.2 m/s in the opposite direction on a horizontal frictionless surface. If the block is brought to rest by the collision, what is the kinetic energy of the bullet as it emerges from the block?

• A) 0.51 kJ
• B) 0.29 kJ
• C) 0.80 kJ
• D) 0.13 kJ
• E) 20 kJ

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Definitions:

Discount Period

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Operating Expenses

Costs associated with running a business’s core operations on a daily basis, such as rent, utilities, and payroll, excluding the cost of goods sold.

Net Income

Net income, also known as net profit, is the amount of earnings that remain after deducting all costs and expenses from total revenue.

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Represents the difference between a company's revenue from sales and its cost of goods sold, before deducting overhead, payroll, taxation, and interest payments.