A body of mass 1 kg of thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18m. How much energy is lost due to air friction ? ( g = 10 m/s 2 )

1. A. 10 J
2. B. 20 J
3. C. 30 J
4. D. 40 J

Attempt this NEET 2009 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.