Not yet correct, tries 2/6 Hint: Giancoli P. 36, Example 2-14 discusses some com

Question

Not yet correct, tries 2/6 Hint: Giancoli P. 36, Example 2-14 discusses some common misconceptions regarding concent acceleration o a thr 3.[1pt] Which of the following statements is true? Enter all correct statements (A, ACE, BD, etc.) A) The average speed of a particle is equal to the magnitude of its average velocity B) When the average velocity of a particle is zero, its average speed is also equal to zero the acceleration of a particle is zero, its average speed is equal to the magnitude of its average velocity. D) The speed of a particle with a positive acceleration is always increasing E) The speed of a moving particle is always positive. Answer: Submit All Answers 4. [1pt] The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated

Explanation / Answer

From the given statements  

True

A

D

E

False  

B

C

average velocity is Vavg = x2-x1/(t2-t1)

speed is manitude of the velocity which is always a positive quantity

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