How much heat is produced in the 10-? resistor in 5.0 s when ? = 18 V?
a.
72 J
b.
32 J
c.
50 J
d.
18 J
e.
90 J
d
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According to modern science, what was the approximate chemical composition of the solar nebula?
A) 98% hydrogen and helium, 2% everything else B) 50% hydrogen and helium, 50% everything else C) 98% hydrogen, 2% helium D) roughly equal proportions of hydrogen, helium, water, and methane
Venus is usually either the "evening star" or the "morning star" because
A) its orbit around the sun is inside Earth's orbit. B) its orbit around the sun is outside Earth's orbit. C) it is usually on the opposite side of the sun, relative to Earth. D) it is usually on the same side of the sun, relative to Earth. E) Actually, the evening or morning star is usually Mars, not Venus.
What does it mean for a Kuiper Belt Object to be considered a plutino?
What will be an ideal response?
A 650-N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 10.0° with the horizontal. What is the tension in the rope?
a. 1 870 N b. 660 N c. 3 740 N d. 226 N e. 1 840 N