Projectiles: Jan and Len Throw Identical Rocks Off a Tall

question 13

Multiple Choice

Projectiles: Jan and Len throw identical rocks off a tall building at the same time. The ground near the building is flat. Jan throws her rock straight downward. Len throws his rock downward and outward such that the angle between the initial velocity of the rock and the horizon is 30°. Len throws the rock with a speed twice that of Jan's rock. If air resistance is negligible, which rock hits the ground first?

• A) They hit at the same time.
• B) Jan's rock hits first.
• C) Len's rock hits first.
• D) It is impossible to know from the information given.

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Definitions:

Direct Materials Budget

A financial plan that estimates the quantity and cost of direct materials needed to meet production requirements.

Cash Payments

Monetary transactions involving the transfer of cash from one party to another, usually in exchange for goods or services.

Budgeted Cash Payments

An estimate of all cash payments that a company plans to make over a specified period, often part of a comprehensive budgeting process.

Continuous Twelve-Month Budget

A financial planning document that forecasts revenues and expenses on a rolling monthly basis for a year.