Explanation:
<h3>We have for velocity of package v= 20 - 9.8t and for distance from the ground y = h + 20t - 4.9t2.</h3><h3>We have y = 0 and t = 18.0 s we have h = 4.9·182 - 20·18 = 1227.6 m.</h3><h3>Velocity at landing v = 20 - 9.8·18 = - 156.4 m/s </h3>
Answer:
A
Explanation:
Vibrations will always increase amplitude
1. Dump the container out.
2. Sift the large items out until the sugar and gravel is by itself.
3. Continue separating the other items.
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