Applications Of Derivatives Question 165
Question: A particle is moving along the curve $ x=at^{2}+bt+c. $ If $ ac=b^{2}, $ then the particle would be moving with uniform
[Orissa JEE 2003]
Options:
A) Rotation
B) Velocity
C) Acceleration
D) Retardation
Show Answer
Answer:
Correct Answer: C
Solution:
$ \frac{dx}{dt}=2at+b $
therefore $ \frac{d^{2}x}{dt^{2}}=2a $ .