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Why the Acceleration is Zero when the velocity is constant?

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Tauseef Shaikh
Tauseef ShaikhLv10
25 Oct 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

which of these quantities are zero throughout the motion?

A. In a uniform circular motion, which of the following quantities are constant: speed, instantaneous velocity, tangential velocity, radial acceleration, tangential acceleration?

   Radial acceleration
  Speed
  Instantaneous velocity
  Tangential acceleration
 
  Tangential velocity

 

B. Which of these quantities is zero throughout the motion?

   Radial acceleration
  Speed
  Instantaneous velocity
  Tangential acceleration
 
  Tangential velocity

Which of the following situations is impossible? Andwhy?

Pleaseelabourate on each onein detail and explain for each example why it could orcouldn't be possible. Also, please draw simple diagrams(example ----> <----- or <----- -----> etc) for eachsituation. This will help in determining in 'impossible situations'exactly why exactly they are "impossible". Am looking for adetailed, concept-oriented response.

Before beginning, pleaseexplain what velocity and acceleration are plushow and why they aredifferent from one another. Also explain what zero velocity and constant, non zero velocity is.Furthermore, what is zeroacceleration and what is constant, non-zeroacceleration?

a) An object has velocity directed east and accelerationdirected east.

b) c) An object has velocity directed east and accelerationdirected west.

c) An object has a constant non-zero velocity and changingacceleration.

d) An object has a constant non-zero acceleration and changingvelocity.

e) An object has zero velocity but non-zero acceleration.

P.S If a object stops moving at a point. Then must itsacceleraion be zero at that point? Why? or why not?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero?

A)The horizontal and vertical components of its velocity are zero.

B) Its velocity is perpendicular to the acceleration.

C)The horizontal component of its velocity is zero.

D)Its velocity and acceleration are both zero.

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