20 JEE Main 2024 Work Power Energy previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2024 previous-year questions from the Work Power Energy chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Work Power Energy chapter hub.
A bullet of mass 50 ~g is fired with a speed 100 ~m / s on a plywood and emerges with 40 ~m / s. The percentage loss of…
A particle is placed at the point A of a frictionless track ABC as shown in figure. It is gently pushed towards right.…
A stationary particle breaks into two parts of masses mA and mB which move with velocities vA and vB respectively. The…
A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 60 ° by a force of 10 N parallel to t…
A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position a…
If a rubber ball falls from a height h and rebounds upto the height of h / 2. The percentage loss of total energy of th…
An artillery piece of mass M 1 fires a shell of mass M 2 horizontally. Instantaneously after the firing, the ratio of k…
The bob of a pendulum was released from a horizontal position. The length of the pendulum is 10 m . If it dissipates 10…
A bob of mass m is suspended by a light string of length L . It is imparted a minimum horizontal velocity at the lowest…
The potential energy function (in J ) of a particle in a region of space is given as U = 2 x 2 + 3 y 3 + 2 z . Here x ,…
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