To scale, if Earth were the size of a basketball, then the Moon would be about
A) 5 feet away.
B) 10 feet away.
C) 20 feet away.
D) 80 feet away.
Answer: C
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In powder fabrication of metals and ceramics, when the pressed powder part is sintered, the powder particles bond to each other, and voids are reduced by the ___________of atoms.
Fill in the blank(s) with the appropriate word(s).
What is the current dominant geological process on Mars?
a. plate tectonics b. volcanism c. wind erosion d. water erosion e. cratering
In which general direction should you look to see the Moon rise?
A) north B) south C) east D) west E) It depends on the phase of the Moon.
A ventilation fan with a moment of inertia of 0.0340 kg·m2 has a net torque of 0.110 N m applied to it. If it starts from rest, what kinetic energy will it have 10.4 s later?
a. 1.84 J b. 19.2 J c. 33.6 J d. 38.5 J