The figure shows the velocity $(v)$ of a particle plotted against time $(t)$
The figure shows the velocity $(v)$ of a particle plotted against time $(t)$
- A
The particle changes its direction of motion at some point
- B
The acceleration of the particle remains constant
- C
The displacement of the particle is zero
- D
All of the above
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Which is the direction of instantaneous velocity for angular path ?
Which is the direction of instantaneous velocity for angular path ?
The height $y$ and the distance $x$ along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by $y = (8t - 5{t^2})$ meter and $x = 6t\, meter$, where $t$ is in second., the acceleration due to gravity is given by ......... $m/{\sec ^2}$
The height $y$ and the distance $x$ along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by $y = (8t - 5{t^2})$ meter and $x = 6t\, meter$, where $t$ is in second., the acceleration due to gravity is given by ......... $m/{\sec ^2}$
A hiker stands on the edge of a cliff $490\; m$ above the ground and throws a stone horizontally with an initial speed of $15 \;m/ s$. Neglecting air resistance, find the time taken by the stone to reach the ground, and the speed with which it hits the ground. (Take $g = 9.8 \;m /s^2$ ).
A hiker stands on the edge of a cliff $490\; m$ above the ground and throws a stone horizontally with an initial speed of $15 \;m/ s$. Neglecting air resistance, find the time taken by the stone to reach the ground, and the speed with which it hits the ground. (Take $g = 9.8 \;m /s^2$ ).
What do you mean by term relative velocity ?
What do you mean by term relative velocity ?
The figure shows a velocity-time graph of a particle moving along a straight line The correct displacement-time graph of the particle is shown as
The figure shows a velocity-time graph of a particle moving along a straight line The correct displacement-time graph of the particle is shown as