A 0.28-kg stone you throw rises 34.3 m in the air. The impulse your hand receives from the stone while it throws the stone is
a. 2.7 Ns, up.
b. 2.7 Ns, down.
c. 7.3 Ns, up.
d. 7.3 Ns, down.
e. 9.6 Ns, up.
D
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What is the maximum depth from which a pump on the surface can "suck" up water?
What will be an ideal response?