The speed for a low circular orbit about the Earth is about A) 1.7 104 km/s. B) 7.6 km/s. C) ...

Author Question: The speed for a low circular orbit about the Earth is about A) 1.7 104 km/s. B) 7.6 km/s. C) ... (Read 100 times)

fagboi

Hero Member
Posts: 535

on: Jul 27, 2018

The speed for a low circular orbit about the Earth is about

A) 1.7 104 km/s.
B) 7.6 km/s.
C) 2.1 km/s.
D) 2.5 104 km/s.
E) 17. km/s.

Question 2

Compared to the wavelength of a 400 Hz sound, the wavelength of a 200 Hz sound in air is

A) four times as long.
B) twice as long.
C) the same.
D) one-half as long.
E) none of the above

kalskdjl1212

Sr. Member
Posts: 353

Reply #1 on: Jul 27, 2018

Answer to Question 1

B

Answer to Question 2

B

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fagboi

Hero Member
Posts: 535

Reply #2 on: Jul 27, 2018

Thanks

kalskdjl1212

Sr. Member
Posts: 353

Reply #3 on: Jul 27, 2018

Welcome

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Author Question: The speed for a low circular orbit about the Earth is about A) 1.7 104 km/s. B) 7.6 km/s. C) ... (Read 100 times)

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