A 50 kg mass is travelling at a speed of 2 m/s. Another 60 kg mass travelling at a speed…
Physics · JEE Main · NTA Exams — Laws of Motion
A 50 kg mass is travelling at a speed of 2 m/s. Another 60 kg mass travelling at a speed of 12 m/s in the same direction, strikes the first mass. After the collision the 50 kg mass is travelling with a speed of 4 m/s. The coefficient of restitution of the collision is
- \(\frac{19}{30}\)
- \(\frac{30}{19}\)
- \(\frac{20}{11}\)
- \(\frac{11}{20}\)
Answer
(A) 19 30
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