The Same Constant Force Is Used to Accelerate Two Carts $\sqrt{2}$

question 17

Multiple Choice

The same constant force is used to accelerate two carts of the same mass, initially at rest, on horizontal frictionless tracks. The force is applied to cart A for twice as long a time as it is applied to cart B. The work the force does on A is WA; that on B is WB. Which statement is correct?

• A)WA = WB.
• B)WA = \(\sqrt{2}\) WB.
• C)WA = 2 WB.
• D)WA = 4 WB.
• E)WB = 2 WA.

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Definitions:

Forward Rates

Interest rates or exchange rates fixed now for financial transactions that will occur at a future date.

Home Currency Approach

A method of assessing an international investment by converting all foreign currencies involved into the investor’s domestic or "home" currency.

Spot Rate

The ongoing market rate at which a certain currency is available for buying or selling for immediate dispatch.

Unbiased Forward Rate

Theoretically, a forward rate in the currencies market that is equal to the spot rate adjusted for interest rate differentials, without any prediction of future direction.