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📢 Full Playlist Link:    • Class 11 Physics (By Prateek Sir) | C...  

✅ In this video,

✔️ Class: 11th
✔️ Subject: Physics
✔️ Chapter: Work, Energy and Power (Chapter 5)
✔️ Topic Name: Most Important Questions
✔️ Topics Covered In This Video (Prateek Sir): In this Class 11 Physics video, we will dive into Most Important Questions of Chapter 5 - "Work, Energy and Power". We will explore the key concepts, theories, and practical applications related to this chapter. By the end of this video, you will have a thorough understanding of the fundamental principles discussed in chapter number of the Class 11 Physics curriculum.
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00:00 Introduction - Work, Energy and Power - Most Important Questions
01:23 MIQs (Que. 1 to 3): Que. 1 The displacement x of a particle of mass 5 g moving in one dimension under the action of a constant force is related to the time by the equation t = √x + 3, where x is in metre and t is in second. Find (i) the displacement of the particle when its velocity is zero, and (ii) work done by the force in first six seconds.
24:20 MIQs (Que. 4 to 7): Que. 4 While catching a cricket ball of mass 200 g moving with a velocity of 20 ms, the player draws his hands backwards through 20 cm. Find the work done in catching the ball and the average force exerted by the ball on the hand.
58:05 MIQs (Que. 8 to 10): Que. 8 A car of mass 2000 kg is lifted up a distance of 30 m by a crane in 1 minute. A second crane does the same job in 2 minutes. Do the cranes consume the same or different amounts of fuel? What is the power supplied by each crane? Neglect power dissipation against friction.
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