Question 5 c) Get how many times the speed of sound would the speed of an object have to be for that object to orbit the Earth near its surface (disregarding all air resistance). Given: radius of Earth = 6,400 km; speed of sound = 340 m/s %3D %3!

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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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Question 5
c) Get how many times the speed of sound would the speed of an object have to be
for that object to orbit the Earth near its surface (disregarding all air resistance).
Given: radius of Earth = 6,400 km; speed of sound = 340 m/s
8 times
O 23 times
O 18 times
O5 times
Transcribed Image Text:Question 5 c) Get how many times the speed of sound would the speed of an object have to be for that object to orbit the Earth near its surface (disregarding all air resistance). Given: radius of Earth = 6,400 km; speed of sound = 340 m/s 8 times O 23 times O 18 times O5 times
Would it be possible to launch an object horizontally, near the moon's surface, so
that it orbits the moon? (Let's consider that there is no air resistance there.) Given
that the magnitude of the gravitational field at the moon's surface is approximately
1/6 that at the Earth's surface, determine:
Question 3
a) the centripetal acceleration of that object in orbit;
O 1.6 m/s?
O9.8 m/s?
O4.8 m/s²
O 11.3 m/s?
Question 4 (
b) the speed necessary for the object to orbit the moon. Given: radius of the moon =
1,740 km.
O 1.7 km/s
O 2.6 km/s
1.2 km/s
O 3.2 km/s
Transcribed Image Text:Would it be possible to launch an object horizontally, near the moon's surface, so that it orbits the moon? (Let's consider that there is no air resistance there.) Given that the magnitude of the gravitational field at the moon's surface is approximately 1/6 that at the Earth's surface, determine: Question 3 a) the centripetal acceleration of that object in orbit; O 1.6 m/s? O9.8 m/s? O4.8 m/s² O 11.3 m/s? Question 4 ( b) the speed necessary for the object to orbit the moon. Given: radius of the moon = 1,740 km. O 1.7 km/s O 2.6 km/s 1.2 km/s O 3.2 km/s
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