Two satellites have circular orbits with the same radius. One satellite is twice mass of the other. Which has a higher speed?
1 answer:
Answer:
The satellite which has greater mass will have greater orbital speed
As the satellite 1 has greater mass so it has higher speed
Explanation:
We have given satellites have same radius
Let R is the radius of both satellites
Let are the mass of both satellite
Orbital speed is given by
In question it is given
From the relation we can see that orbital speed is directly proportional to the mass
So the satellite which has greater mass will have greater orbital speed
As the satellite 1 has greater mass so it has higher speed
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Answer:
(a) The ratio of the pressure amplitude of the waves is 43.21
(b) The ratio of the intensities of the waves is 0.000535
Explanation:
Given;
density of gas, = 2.27 kg/m³
density of liquid, = 972 kg/m³
speed of sound in gas, = 376 m/s
speed of sound in liquid, = 1640 m/s
The of the sound wave is given by;
Where;
is the pressure amplitude
(b) when the pressure amplitudes are equal, the ratio of the intensities is given as;