JEE Main Physics question
A ball is dropped from height 20 m. If the coefficient of restitution is 0.9, what will be the height attained after the first bounce?
Answer: (B)
Solution
h₁ = e²h = (0.9)²(20) = 0.81×20 = 16.2 m.
A ball is dropped from height 20 m. If the coefficient of restitution is 0.9, what will be the height attained after the first bounce?
h₁ = e²h = (0.9)²(20) = 0.81×20 = 16.2 m.