Which of the following is the correct formula for finding acceleration?

Category: QuestionsWhich of the following is the correct formula for finding acceleration?
Editor">Editor Staff asked 1 year ago

Which of the following is the correct formula for finding acceleration?
 
(a) a = dx/dt
 
(b) a = d^2x/dt^2
 
(c) a = x/t
 
(d) a = d^3x/dt^3
 
I got this question in homework.
 
Origin of the question is Motion in a Straight Line in chapter Motion in a Straight Line of Physics – Class 11
Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 1 year ago

Correct choice is (b) a = d^2x/dt^2
 
To elaborate: Acceleration is the rate of change of velocity. Velocity is the rate of change of displacement. Therefore, acceleration is the rate of change of rate of change of displacement = d^2x/dt^2.


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