A particle is revolving in a circle of radius $2\ m$ with angular velocity $\omega = t^2 -4t + 8\ rad/s$ . The time when speed of the particle becomes $8\ m/s$ is ......... $\sec$
A particle is revolving in a circle of radius $2\ m$ with angular velocity $\omega = t^2 -4t + 8\ rad/s$ . The time when speed of the particle becomes $8\ m/s$ is ......... $\sec$
- A
$1$
- B
$2$
- C
$3$
- D
$4$
Similar Questions
As shown in the figure, a particle is moving with constant speed $\pi\,m / s$. Considering its motion from $A$ to $B$, the magnitude of the average velocity is:
As shown in the figure, a particle is moving with constant speed $\pi\,m / s$. Considering its motion from $A$ to $B$, the magnitude of the average velocity is:
- [JEE MAIN 2023]
A particle is tied to $20\, cm$ long string. It performs circular motion in vertical plane. What is the angular velocity of string when the tension in the string at the top is zero ........ $rad/sec$
A particle is tied to $20\, cm$ long string. It performs circular motion in vertical plane. What is the angular velocity of string when the tension in the string at the top is zero ........ $rad/sec$
An object moving in a circular path at constant speed has constant
An object moving in a circular path at constant speed has constant
A body is revolving with a uniform speed $v$ in a circle of radius $r$. The tangential acceleration is
A body is revolving with a uniform speed $v$ in a circle of radius $r$. The tangential acceleration is
If a particle moves in a circle describing equal angles in equal times, its velocity vector
If a particle moves in a circle describing equal angles in equal times, its velocity vector