What is an inverse-square relationship between force and distance?
a. A mathematical expression for the distance in terms of force instead of force in terms of distance, which is then squared.
b. A relationship where increasing the distance by a factor increases the force by the square of the same factor.
c. A relationship where one value decreases in proportion to the square of the factor by which the other value decreases.
d. A relationship where the increasing the distance by a factor decreases the force by dividing it by the square of that same factor.
e. A relationship where the square of force is proportional to the square of the distance.
d
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Series/Parallel Circuits: What is the magnitude of the potential difference between points A and C for the circuit shown in the figure? The battery is ideal, and all the numbers are accurate to two significant figures.
A. 6.0 V B. 4.0 V C. 3.0 V D. 2.0 V
Overall, Jupiter's composition is most like that of
A) the Sun. B) Earth. C) a comet. D) an asteroid.
Two students stand poised to leap off a high dive structure into the swimming pool below. Student B is twice as massive as student A. Which of the following is true?
a. Student B will reach the ground sooner than student A b. Both students have the same gravitational potential energy c. Both students will have the same kinetic energy just before impact d. Student B did twice as much work climbing to the top of the structure
To calculate the masses of stars in a binary system, we must measure their
A) spectral types and distance from Earth. B) absolute magnitudes and luminosities. C) luminosities and distance from Earth. D) orbital period and average orbital distance.