5. Which of the following produces the loudest sound? a A sound wave with a high frequency
b A sound wave with a low frequency
C A sound wave with high amplitude
d A sound wave with low amplitude
e None of the above​

prolly a beacuse the momentuem the car has increases while going down hill

we need to know the time interval during which the force acts. impulse of force = momentum change

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

the answer to this is proletariats.

hope this : )