Answer= 8m/s
Because total Momentum before= total momentum after
Momentum before (p=mu)
p=(4)(12)= 48
p=2(0)=0
So total momentum before=48
Momentum after (p=mu)
Masses combined —2+4=6kg
p=6u
Mb=Ma
48=6u
u=8m/s
Answer:
Acidity
Explanation:
pH measures how acidic or basic a substance is.
Hello! Your answer would be D. Interference
This is because interference causes vibration!!!
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