What would be the effect on the tides if (a) the Moon’s mass were doubled, or...
What would be the effect on the tides if (a) the Moon’s mass were doubled, or (b) the distance between the Earth and the Moon were cut in half? Give quantitative answers.
Homework Answers
(a) Higher tides.
Doubling the mass of the moon would double the force exerted on the tide.
(b) Lowers the tides.
Halving the distance would quadruple the force, as gravity is inversely proportional to the square of the distance.
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What would be the effect on the tides if (a) the Moon’s mass
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Today, the Moon’s orbit around Earth has a semi-major axis of a=384,400 km and an orbital...
Today, the Moon’s orbit around
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a. The Moon slowly moves outward due to tidal braking of the
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Moon’s orbit at this future date (express your answer in
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The tidal forces between the Earth and the Moon slowed down the Moon's rotation about its own axis until the rotation period became equal to the Moon's orbital period around the Earth as we observe today. The same effect is also slowing down the Earth's rotation about its own axis and increasing the separation \(D\) between the Moon and the Earth at a rate of \(\Delta D / \Delta t=3.8 \mathrm{~cm}\) per year. In this problem, you can ignore the...
please help! answer is shown below but I need help with the process. so please show all work and I will rate!! 5. Suppose that the attraction between the Moon and the Earth were due to Coulomb f...
please help! answer is shown below but I need help with the
process. so please show all work and I will rate!!
5. Suppose that the attraction between the Moon and the Earth were due to Coulomb forces rather than the gravita- tional force. a) What would be the magnitude of the charge required if equal but opposite charges resided on both the Earth and the Moon, and the electrostatic attraction equalled the gravitational one? b) If the Earth were...
18 If the mass of the moon were doubled, and the distance between the earth and the moon were cut in half, then the force of attraction between the earth and the moon would be: A) The same as the original B) Two times the original Four times the original Dy Eight times the original E) One eighth times the original F) One fourth times the original
Today, the Moon’s orbit around
Earth has a semi-major axis of a=384,400 km and an orbital period
of 27.32166 days.
a. The Moon slowly moves outward due to tidal braking of the
Earth’s rotation, and at some future date the Moon will have an
orbital period of 47 days. Compute the semi-major axis of the
Moon’s orbit at this future date (express your answer in
kilometers).
semi-major axis = 5.5*10^5 km
b. Today, the Moon has an angular diameter of...
From the way that lunar eclipses happen, the Ancient Greeks were able to 0 A conclude that the Sun is farther from the Earth than the Moon. O B calculate the distance from the Earth to the Moon. O C calculate the distance from the Earth to the Sun. By measuring the angle between the Sun and the Moon when the Moon was in its first or third quarter, the ancient Greeks were able to calculate 0 A the size...
please help! answer is shown below but I need help with the
process. so please show all work and I will rate!!
5. Suppose that the attraction between the Moon and the Earth were due to Coulomb forces rather than the gravita- tional force. a) What would be the magnitude of the charge required if equal but opposite charges resided on both the Earth and the Moon, and the electrostatic attraction equalled the gravitational one? b) If the Earth were...
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