What is the charge on 1.0 kg of protons? (e = 1.60 × 10-19 C, mproton = 1.67 × 10-27 kg)
A) 1.0 C
B) 1000 C
C) 9.6 × 107 C
D) 6.0 × 1026 C
E) 6.0 × 1023 C
C
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Fundamental Forces: Inside the nucleus, the strongest of the four fundamental forces is
A. the weak nuclear force. B. the electromagnetic force. C. the gravitational force. D. the strong nuclear force.
The Sun rotates slower near its poles than near its equator.
Answer the following statement true (T) or false (F)
The largest plutons are called ______________
Fill in the blank(s) with correct word
Consider the following three hypothetical planets orbiting a star with the same mass as the Sun (one solar mass):
Planet X: one Earth mass and 1 AU from the star Planet Y: two Earth masses and 1 AU from the star Planet Z: two Earth masses and 2 AU from the star The shortest orbital period belongs to (Ignore very small differences in orbital period that might be attributed to the planet masses alone.) A) Planet X alone B) Planet Y alone C) Planet Z alone D) Planets X and Y, which have about the same orbital period E) Planets Y and Z, which have about the same orbital period F) all three planets, since they all have about the same orbital period