If the mass of a 1.0 kg book could be entirely converted into electrical energy, how many Kw-h would that generate?
What will be an ideal response?
2.5 × 1010 Kw-h ( = 9.0 × 1016 J)
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Multiple the equation for linear momentum by radial distance r and you have
A) rotational kinetic energy. B) angular momentum. C) rotational inertia.
Suppose Earth collapsed down to one-hundredth [1/100] of its present radius. How would this affect your weight? Your weight would be
A) increased by a factor of 100. B) increased by a factor of 1000. C) increased by a factor of 10,000. D) unchanged. E) reduced by a factor of 100.
What is the main difference between High Density PolyEtyhlene (HDPE) and Low Density PolyEthylene(LDPE)?
A) HDPE has very long chains packed close together; LDPE has long chains that are branched and do not pack together well. B) One is made from high density ethylene, the other from low density ethylene. C) HDPE has very long chains packed close together; LDPE has short chains that do not pack together well. D) HDPE is more useful than LDPE. E) LDPE is more useful than HDPE.
Which two circuits are exactly equivalent?
a.
A and B
b.
B and C
c.
C and D
d.
D and E
e.
B and E