Current: What current is flowing in a wire if 0.67 C of charge pass a point in the wire in 0.30 s?
A. 2.2 A
B. 0.67 A
C. 0.30 A
D. 0.20 A
Answer: A
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For someone in the Northern Hemisphere stars rise in the east and set in the west. For someone in the Southern Hemisphere
A. the opposite is true-stars rise in the west and set in the east. B. the situation is the same-stars also rise in the east and set in the west.
The directions of the velocity and acceleration of an object which is thrown straight upward and then falls back down (ignore the effects of air resistance) have the following characteristics:
A. the velocity and acceleration are always directed downward B. the velocity is always upward but the acceleration changes direction C. the velocity is always upward and the acceleration is always downward D. the velocity changes direction but theacceleration always stays the same
The time between equinoxes on Uranus is about:
A) 7 hours. B) 8 hours. C) 21 years. D) 42 years. E) 84 years.
The interstellar ________ absorbs light from stars and makes them appear fainter and redder than they otherwise would appear
Fill in the blank(s) with correct word