James and John Dive from an Overhang into the Lake

question 5

Multiple Choice

James and John dive from an overhang into the lake below.James simply drops straight down from the edge.John takes a running start and jumps with an initial horizontal velocity of 25 m/s.Compare the time it takes each to reach the lake below if there is no air resistance.

• A)James reaches the surface of the lake first.
• B)John reaches the surface of the lake first.
• C)James and John will reach the surface of the lake at the same time.
• D)Cannot be determined without knowing the mass of both James and John.
• E)Cannot be determined without knowing the weight of both James and John.

---

Definitions:

Initial Investment

The original sum of money or capital used to purchase assets or start an investment portfolio at the outset.

Short 150 Shares

The action of borrowing 150 shares of a stock with the aim of selling them in the hope that the stock price will decline, allowing for profit upon repurchasing the shares at a lower price.

Initial Margin

The portion of the purchase price that an investor must deposit when buying securities on margin, serving as a form of collateral.

Initial Investment

The amount of money used to start a business venture, acquire an asset, or invest in a financial product.