Question
Question: A particle is projected with a velocity \(6\widehat{i} + 8\widehat{j}\), 2m away from a vertical wal...
A particle is projected with a velocity 6i+8j, 2m away from a vertical wall. After striking the wall it lands at …………… away from the wall B
A
3 m
B
3.3 m
C
5.5 m
D
6.6 m
Answer
6.6 m
Explanation
Solution
T = ay2uy=102×8=1.6s
t = 3/6 = 0.5 s
x = ux (T - t) = 6(1.6 – 0.5) = 6.6 m
