Categories
- All categories
- General Knowledge (327)
- Abbreviation (8)
- Mathematics (200)
- Physics (570)
- Chemistry (179)
- Biology (260)
- History (226)
- Geography (65)
- Economics (166)
- Technology (43)
- English (11)
- Essay (2)
- Civics (7)
Most popular tags
Related Questions
- A stone tied at the end of string is whirled in a circle. If the string breaks, the stone flies away tangentially. Why?
- A particle moves in \(x-y\) plane according to the equations \(x=4 t^{2}+5 t+16\) and \(y=5 t\) where \(x, y\) are in metre and \(t\) is in second. The acceleration of the particle is
- A point moves in a straight line under the retardation a $v^{2}$, where ' $a$ ' is a positive constant and $v$ is speed. If the initial speed is $u$, the distance covered in ' $t$ ' seconds is
- The displacement ' $x$ ' and time of travel 't' for a particle moving an a straight line are related as $t=$ $\sqrt{(x+1)(x-1)}$. Its acceleration at a time $t$ is
- If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
- A cyclist goes around a circular track once every 2 minutes. If the radius of the circular track is 105 metres, calculate his speed.
- Find the speed of a bus in kilometre per hour, if its speed is 25 metres per second.
- The displacement-time (x-t) graph of a body is shown in figure. The body is accelerated along the path
- The position vector of a particle is given as $\vec{r}=\left(t^{2}-4 t+6\right) \hat{i}+\left(t^{2}\right) \hat{j}$. The time after which the velocity vector and acceleration vector becomes perpendicular to each other is equal to
- Find the magnitude of the net force on a 20 kg mass if it accelerates uniformly from 2.5 m/s to 5.8 m/s in 3 s.
2.1k Questions
1.8k Answers
0 Comments
17 Users