POSSIBLE POINTS: 2 Two comets orbit around a planet. Comet A has an orbital radius of 10000 km. Moon B has an orbital radius of 20000 km. It
takes Comet A 2 years to orbit the planet. How long does it take Comet B to orbit the planet?
(Include your answer and then show work OR describe in words what you did to solve the problem).

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

Which of the following is an example of units for speed

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of