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sukhopar [10]
4 years ago
6

The phases of the moon occur because the moon revolves around the earth. True False

Physics
1 answer:
Ira Lisetskai [31]4 years ago
7 0

Answer: True

Explanation:
The phases occur because the sun lights different parts of the moon as the moon revolves around the earth
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26.2/3.4 would be the average velocity for the run.

7.7 miles/hr

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The wavelengths of radio waves are much _______________ than the wavelength of microwaves. therefore, radio waves carry much ___
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A 19kg block is being pulled with a constant horizontal force of 95 Newton’s while also experiencing a constant friction force o
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Answer:

A

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3 years ago
A spherical weather balloon is filled with hydrogen until its radius is 4.40 m. Its total mass including the instruments it carr
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Answer:

4515.49484 N

4329.10484 N

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v=\frac{4}{3}\pi r^3\\\Rightarrow v=\frac{4}{3}\pi 4.4^3\\\Rightarrow v=356.8179\ m^3

The Buoyant force = Weight of the air displaced

F=\rho vg\\\Rightarrow F=1.29\times 356.8179\times 9.81\\\Rightarrow F=4515.49484\ N

The buoyant force acting on the balloon is 4515.49484 N

Net force on the balloon

F_n=F-W\\\Rightarrow F_n=4515.49484-19\times 9.81\\\Rightarrow F_n=4329.10484\ N

The net force on the balloon is given by 4329.10484 N

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