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Per NCERT Example 4.4, a 0.15 kg cricket ball at 12 m/s is hit back at 12 m/s along the same line. The impulse imparted is which value?
A0.9 N s
B12 N s
C1.8 N s
D3.6 N s
Answer & Solution
Correct answer: D. 3.6 N s
NCERT Ex 4.4: Δp = 0.15 × (12 − (−12)) = 0.15 × 24 = 3.6 N s. Impulse = 3.6 N s.
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