What is the magnitude of the gravitational force acting between the moon (7.35x1022 kg) and Earth (5.97x1024 kg) if the distance between their centers is 3.93x108 meters?

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

The heliocentric and the geocentric models of the solar system included these central principles

Select the three ways that the parallel-plate capacitor differs from a car battery.