Suppose the Moon had twice the diameter but the same mass and same orbital distance from Earth. In that case, the high tides on Earth would be
A) higher.
B) lower.
C) unequal in size.
D) practically the same.
E) none of the above
Question 2
There would be only one ocean tide per 24-hour day if the
A) Earth and Moon were equally massive.
B) Moon were more massive than Earth.
C) Sun's influence on the tides were negligible.
D) Moon's mass were small only a few kilograms.
E) none of the above