A Cannon Fires a 2-Kg Exploding Projectile Across a Level

question 68

Multiple Choice

A cannon fires a 2-kg exploding projectile across a level field on a windless day.The projectile leaves the cannon at a speed of 30 m/s at an angle of 60 degrees with respect to the horizontal.When the projectile reaches its maximum height,it explodes into two 1-kg pieces.One of the pieces falls straight down.How far away from the cannon does the second piece land?

• A)34 m
• B)40 m
• C)79 m
• D)92 m
• E)120 m

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Definitions:

Break-even Chart

A graphical representation that shows at what point a business, product, or project will become profitable, by plotting costs against revenues.

Variable Costs

Costs associated with production that change in proportion to the amount of goods or services produced.

Fixed Costs

Expenses that do not vary with production volume or service levels, such as rent, salaries, and insurance premiums.

Price Sensitivity

The degree to which the demand for a product or service is affected by changes in its price.