Question:medium
Force on a particle moving in a straight line is given by \( F = 6t^2\hat i - 3t\hat j\) and velocity is \(v = 3t^2\hat i + 6t\hat j\) . Find power at \(t = 2\).
Force on a particle moving in a straight line is given by \( F = 6t^2\hat i - 3t\hat j\) and velocity is \(v = 3t^2\hat i + 6t\hat j\) . Find power at \(t = 2\).
Updated On: Mar 19, 2026
- 216 W
- 108 W
- 0 W
- 54 W
Show Solution
The Correct Option is A
Solution and Explanation
The correct option is (A): 216 W
Was this answer helpful?
1
Top Questions on Forces
- In which cases does a charged particle not experience a force in a magnetic field?
- A force $ 6 \hat{k} $ is applied for $ \frac{5}{3} $ seconds on a body of mass 2 kg. If the initial velocity of the body was $ 3\hat{i} + 4\hat{j} $, then find the final velocity of the body.
- JEE Main - 2025
- Physics
- Forces
- Potential energy is not defined for which of the following forces?
- JEE Main - 2025
- Physics
- Forces
- A balloon and its content having mass \( M \) is moving up with an acceleration \( a \). The mass that must be released from the content so that the balloon starts moving up with an acceleration \( 3a \) will be:
- JEE Main - 2025
- Physics
- Forces
- Want to practice more? Try solving extra ecology questions todayView All Questions
Questions Asked in JEE Main exam
In an equilateral prism the path of a ray is shown in the figure. Determine the refractive index of the prism.
- JEE Main - 2026
- Ray optics and optical instruments
