Each of Four Particles Move Along an X Axis

question 64

Multiple Choice

Each of four particles move along an x axis. Their coordinates (in meters) as functions of time (in seconds) are given by Which of these particles is speeding up for t > 0?

• A) All four
• B) Only 1
• C) Only 2 and 3
• D) Only 2, 3, and 4
• E) None of them

---

Definitions:

Compounded Semiannually

Interest on a loan or investment calculated twice a year, adding each interest payment to the principal amount before the next calculation.

Semiannual

Pertaining to an event or action occurring twice a year, often used in the context of payments or interest calculations.

Interest Earn

The income received from lending money or depositing funds in interest-bearing accounts.

Compounded Monthly

This refers to the process of calculating interest on an initial principal, which also includes all of the accumulated interest from previous periods on a loan or deposit, on a monthly basis.