12080 gallons per month into liters per hour
1 answer:
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The wavelength of the h-alpha absorption line that you would detect in the star's spectrum will be 54.67 * nm
If the object is moving towards or away from us with some radial velocity, shifts can be observed in the location of the absorption
since, material is moving towards us a shift to shorter wavelength will be observed
shift = rest wavelength * ( radial velocity / speed of light )
= 656 * * (250 *
/ 3 *
)
= 54.67 * nm
The wavelength of the h-alpha absorption line that you would detect in the star's spectrum will be 54.67 * nm
learn more about radial velocity:
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Answer:
66 km
Explanation:
Given that:
The speed of the two trains = 33 km/h
The speed of the bird = 60 km/h
The distance apart between the two trains = 60 km
From the given information, we are being told that the two trains are going at the same speed. Therefore, they will definitely collide at 30 km
We know that:
speed of the train = distance traveled × time
Making the time t the subject of the formula:
time = speed of the train / distance traveled
time = 30 km / 33 km/h
time = 0.909 / hr
Thus, the bird flying at a given speed of 60 km/h in a time of 0.909 / hr will cover a total distance of :
distance (d) = speed of the bird/ time
distance (d) =
distance (d) = 66 km