Work Power & Energy PYQs - Last 5 Years
WB JEE / Physics / Mechanics / 8 recent questions
PhysicsMechanics2021-2025
Practice 8 WB JEE Physics questions from Work Power & Energy. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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2021-2025
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2021-2025
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Last 5 Years Work Power & Energy Questions
Showing 8 of 8 filtered questions.
1Work Power And Energy
The velocity-time graph for a body of mass 10 kg is shown in the figure. Work done on the body in the first two seconds of motion is :
MCQ+1 / -0.252025
2Work Power And Energy
The following figure shows the variation of potential energy \(V(x)\) of a particle with distance \(x\). The particle has
MCQ+2 / -0.52024
3Work Power And Energy
A train is moving along the tracks at a constant speed u. A girl on the train throws a ball of mass m straight ahead along the direction of motion of the train with speed \(\mathrm{v}\) with respect to herself. Then
MCQM+2 / -02023
4Work Power And Energy
A uniform rope of length 4 m and mass 0.4 kg is held on a frictionless table in such a way that 0.6 m of the rope is hanging over the edge. The work done to pull the hanging part of the rope on to the table is, (Assume g = 10 m/s\(^2\))
MCQ+1 / -0.252023
5Work Power And Energy
A particle is moving in x-y plane according to \(\overrightarrow r = b\cos \omega t\widehat i + b\sin \omega t\widehat j\), where \(\omega\) is constant. Which of the following statement(s) is/are true?
MCQM+2 / -02022
6Work Power And Energy
The kinetic energy (Ek) of a particle moving along X-axis varies with its position (X) as shown in the figure. The force acting on the particle at X = 10 m is
MCQ+1 / -0.252022
7Work Power And Energy
The potential energy of a particle of mass 0.02 kg moving along X-axis is given by V = Ax (x \(-\) 4) J, where x is in metre and A is a constant. Which of the following statements is/are correct?
MCQM+2 / -02021
8Work Power And Energy
A block of mass m slides with speed v on a frictionless table towards another stationary block of mass m. A massless spring with spring constant k is attached to the second block as shown in figure. The maximum distance, the spring gets com...
MCQ+1 / -0.252021