A Projectile Is Fired at an Angle of Elevation of 60

question 68

Multiple Choice

A projectile is fired at an angle of elevation of 60 $\degree$ .Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

• A)160 \(\degree\) and 40 \(\degree\)
• B)20 \(\degree\) and 70 \(\degree\)
• C)90 \(\degree\) and 60 \(\degree\)
• D)none of the above

---

Definitions:

Discount Rate

The interest rate charged to commercial banks and other depository institutions for loans received from the central bank's discount window; also used in discounted cash flow (DCF) analysis to present value future cash flows.

Cash Flows

The total amount of money being transferred into and out of a business, especially affecting liquidity and financial stability.

Compounded Monthly

A method of calculating interest where the accumulated interest is added to the principal sum each month, leading to an increase in the total amount of interest earned.

Monthly Payments

Regular payments made over a period, often in the context of loans or leases where the total amount owed is divided into equal installments over time.