CBSE Class 11-science Answered
21st sum
Asked by lovemaan5500 | 18 Jul, 2018, 06:41: PM
Expert Answer
As shown in figure the change in momentum perpendicular to wall :- m×v×cos45 - [ -m×v×cos45 ] = 2×m×v×cos45
hence impulse = change in momentum = 2×20×10-3 ×15×(1/√2) = 0.3×√2 kg m/s
Answered by Thiyagarajan K | 21 Jul, 2018, 04:04: PM
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