3 years ago

Why don't we see solar and lunar eclipse every month?

2 answers:

8 0

A lunar eclipse occurs when the Moon enters the Earth's shadow. A solar eclipseoccurs when the Moon's shadow falls on the Earth. They do not happen every monthbecause the Earth's orbit around the sun is not in the same plane as the Moon's orbit around the Earth.

PolarNik [594]3 years ago

5 0

Answer: solar and lunar eclipses occur when certain things align

Explanation:the solar eclipse occurs when the moon perfectly aligns with the vision of the sun

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The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of ten i

Levart [38]

It could be express as (A) 14 x 10 to the tenth power or (b) 4.415 x 10 to the seventeenth power.

8 0

4 years ago

Suppose that you can throw a projectile at a large enough v0 so that it can hit a target a distance R downrange. Given that you

NikAS [45]

Answer:

Theta1 = 12° and theta2 = 168°

The solution procedure can be found in the attachment below.

Explanation:

The Range is the horizontal distance traveled by a projectile. This diatance is given mathematically by Vo cos(theta) t. Where t is the total time of flight of the projectile in air. It is the time taken for the projectile to go from starting point to finish point. This solution assumes the projectile finishes uts motion on the same horizontal level as the starting point and as a result the vertical displacement is zero (no change in height).

In the solution as can be found below, the expression to calculate the range for any launch angle theta was first derived and then the required angles calculated from the equation by substituting the values of the the given quantities.