The displacement of a particle varies with time (t) as 5=a t^ 2 -b t^ 3 . At what time…
Physics · NEET · NTA Exams — Kinematics
The displacement of a particle varies with time (t) as \(5=a t^{2}-b t^{3}\). At what time acceleration of the particle will become zero.
- \(\frac{\mathrm{a}}{3 \mathrm{~b}}\)
- \(\frac{2 a}{3 b}\)
- \(\frac{\mathrm{a}}{\mathrm{zb}}\)
- \(\frac{2 a}{b}\)
Answer
(A) a 3 ~b
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Two bodies of different masses are dropped from heights of 16 m and 25 m respectively. The ratio of the time…
- In the arrangement, shown in the figure, the ends P and Q of a stretchable string move downwards with uniform…
- A body is thrown vertically up with a velocity u. It passes three points A, B and C in its upward journey…
- The wheel of railway carriage is 5 feet in diameter and makes 7 revolutions in a second; how fast is the…
- A body starts from rest and moves with a uniform acceleration. The ratio of the distance covered in the n ^…
- It is safe to jump from a height of 2 m on the surface of the earth. If the acceleration due to gravity on a…
- A bomb is dropped from an aeroplane flying horizontally with a velocity of 720 km/h at an altitude 980 m…
- The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man…