Quiz 2 example - Professor Tumakov PDF

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Professor Tumakov...

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Question 1 1 / 1 pts Kepler’s 3rd law relates a planet’s distance from the Sun and its orbital period

speed

shape velocity

Question 2 1 / 1 pts Where on Earth would you be if Polaris was at your zenith? North Pole

Arctic Circle

Tropic of Cancer

Equator

It lies overhead everywhere on Earth

Question 3 1 / 1 pts How long is the Earth’s precession cycle? 26,000 years

1 day

29.5 days

365.24 days 18 years, 11.3 days

Question 4 1 / 1 pts A circular orbit would have an eccentricity of 0.

between 0 and 0.5

between 0.5 and 1

exactly 1.0

infinity.

Question 5 1 / 1 pts Which of the following describes parallax? It is inversely proportional to the distance to the object

It is best measured over exactly one year intervals

It was first observed by Galileo with his new telescope It is only applicable to objects within the solar system

It is more accurate as the distances to objects become greater

Question 6 1 / 1 pts Since gravity behaves as an inverse square relation the force due to gravity between two masses will increase as the distance between the two masses increases.

will decrease as the square of the distance between the two masses increases. will cause the two masses to move away from each other.

will cause the two masses to move in a straight line

will cause the two masses to orbit each other

Question 7 1 / 1 pts Which of the following is a contribution to astronomy made by Galileo? The astronomical telescope can show us far more detail than the eye can.

Jupiter has four moons orbiting it.

The Moon has craters, mountain, valleys, and dark flat areas on its surface. Venus appears almost fully lit when it lies on the far side of the Sun.

all of the above...