A 40 kg skater traveling at 4 m/s overtakes a 60 kg skater traveling at 2 m/s in the same…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A 40 kg skater traveling at 4 m/s overtakes a 60 kg skater traveling at 2 m/s in the same direction and collides with him. If the two skaters remain in contact, how much kinetic energy is lost?
- 48 J
- 52 J
- 100 J
- 26 J
Answer
(B) 52 J
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