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Using conservation of momentum, we can solve for the force that the air bag exerts on the person.
Recall the equation for momentum (p):

We can solve for total momentum, then divide by out time interval. This gets us:
F = 4800N
Answer:
A
Explanation:
Think about rubbing your hands together- the friciton produces heat
Acetic acid is a weak acid and sodium hydroxide is strong base. Salts of the two will hydrolyse to give basic solution. So, at neutral point, pH of the solution will be greater than 8.
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