5. 0/1 points | Previous Answers Tipler6 3.P025.soln My Notes Ask Your Teach Whi

Question

5. 0/1 points | Previous Answers Tipler6 3.P025.soln My Notes Ask Your Teach Which of the following statements are true? (Select all that apply.) If an object's acceleration is zero, its velocity must be constant If an object's acceleration is zero, then its speed must be constant. If an object's speed is constant, then its velocity must be constant. If an object's velocity is constant, then its speed must be constant. If an object's speed is constant, then its acceleration must be zero. Speed is a scalar quantity, whereas acceleration, equal to the rate of change of velocity, is a vector quantity. eBook

Explanation / Answer

if velocity = constant, => acceleration a=0 m.s^2

and if acceleration a=0 => its velocity is constant..

so the true statements are

ANS :- (1) AND (4)

1) IF AN OBJECTS ACCELERATION IS ZERO, ITS VELOCITY MUST BE CONSTANT

4) IF AN OBJECTS VELOCITY IS CONSTANT, THEN ITS SPEED MUST BE CONSTANT

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