The Sun remains stable because the inward pull of ______________ balances the outward push from nuclear fusion
Fill in the blank(s) with correct word
gravity
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A circuit consists of three identical lamps connected to a battery as in Figure OQ28.14. The battery has some internal resistance. The switch S, originally open, is closed. What happens to the total power delivered to the lamps by the battery?
How is a larger star like an SUV, while a smaller star like a fuel efficient hybrid vehicle?
A) The larger the star, the faster it burns fuel. B) The larger the star, the more likely it is to explode. C) The larger the star, the shorter its life span. D) Larger stars have only one source of energy.
what is the current in R2?
A. 1 A
B. 2 A
C. 3 A
D. 4 A
E. 5 A
A brass box is in the shape of a cube. The coefficient of linear thermal expansion is 
If the temperature of the box is increased by 20
then what is the fractional change in the volume of the box?
A. 0.08% B. 0.11% C. 0.15% D. 0.25% E. 0.30%