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Asked: 2025-01-07T05:48:45+00:00 In:

An object is dropped from a height of 80 m. Assuming no air resistance, how long will it take to reach the ground? ( 𝑔 = 10  m/s² )

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This question involves the application of the second equation of motion to find the time of free fall under gravity.

chapter 2. motion in straight lineclass 11th physicsclass 11th scienceexercise questionmcq based questionncert solutionshort answer
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    1. Using s = 1/2gt² , where s= 80m and g = 10 m/s ²:
      80 = 1/2(10)t²
      80 = 5t²
      t² = 16
      t = 4s
      This question related to Chapter 2 physics Class 11th NCERT. From the Chapter 2. Motion in Straight Line. Give answer according to your understanding.

      For more please visit here:
      https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-2/

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