A Shell Is Fired with a Horizontal Velocity in the Positive

question 40

Multiple Choice

A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. The shell strikes the ground 1330 m from the base of the cliff. The drawing is not to scale.

-What is the magnitude of the velocity of the shell as it hits the ground?

• A)4.0 m/s
• B)9.8 m/s
• C)82 m/s
• D)170 m/s
• E)330 m/s

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Definitions:

Risk-Free Rate

The theoretical return on an investment with no risk of financial loss, often based on government bonds.

Discount Rate

The discount rate is the interest rate used to determine the present value of future cash flows in discounted cash flow analysis, reflecting the opportunity cost of time and risk.

Cash Flows

The entire volume of cash flows into and from a business, importantly affecting its financial fluidity.

Treasury Bills

These are short-term government securities issued at a discount from their face value, maturing in one year or less.