If a charge generator builds a negative static charge of - how many electrons are transferred to it during this process. (e = 1.60 × 10-19 C)
A) 4.38 × 1013
B) 7.0
C) 1.12 × 10-18
D) 43.8
A
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Answer the following statement(s) true (T) or false (F)
A quanton really has a position at all times, but quantum mechanics does not allow us to predict that position with certainty at future times as we could in Newtonian mechanics
How do medium stars die? Their remnants are
A: nova then white dwarf B: supernova then white dwarf C: planetary nebula then white dwarf D: supernova then neutron star E: supernova then black hole
Describe how Erastothenes measured the circumference of our planet
What will be an ideal response?
A mass (M1 = 5.0 kg) is connected by a light cord to a mass (M2 = 4.0 kg) which slides on a smooth surface, as shown in the figure. The pulley (radius = 0.20 m) rotates about a frictionless axle. The acceleration of M2 is 3.5 m/s2. What is the rotational inertia of the pulley?
?
?
a.
0.29 kg?m2
b.
0.42 kg?m2
c.
0.20 kg?m2
d.
0.62 kg?m2
e.
0.60 kg?m2