How wide is the moon

2 answers:

7 0

The moon is very nearly a sphere (ball shape). We usually talk
about the "diameter" of a sphere, not its width.

The moon's diameter is about 2,159 miles or 3,475 kilometers.
That's about 27% (a little over a quarter) of the Earth's diameter.

lapo4ka [179]4 years ago

6 0

14.6 million square miles (38 square kilometers

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B) 0 m/s

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F) 106.62 m/s

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$y=\frac{1}{2}at^2$

a: acceleration of the rocket = 2.90 m/s^2

t: time of the flight = 20.0 s

$y=\frac{1}{2}(2.90\frac{m}{s^2})(20.0s)^2=580m$

B) In the highest point the rocket has a velocity with magnitude zero v = 0m/s because there the rocket stops.

C) The engines of the rocket suddenly fails in the highest point. There, the acceleration of the rocket is due to the gravitational force, that is 9.8 m/s^2

D) The acceleration points downward

E) The time the rocket takes to return to the ground is given by:

$t=\sqrt{\frac{2y}{g}}=\sqrt{\frac{2(580m)}{9.8m/s^2}}=10.87s$