If collision is perfectly inelastic then, what maximum height (from ground) will the combined mass rise?
25 m
18 m
20 m
15 m
A
25 m
B
18 m
C
15 m
D
20 m
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Solution
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Let the collision take place at t sec and s1 and s2 be the distance traveled by the masses just before collision. Thus we get: −s1=−12gt2 and s2=20t−12gt2
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