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meganwintergirl
20.08.2020 •
Physics
a telescope is oriting on a spacecraft aroudn the earth. Speed of 3.25 x 10^5 mass 7500 kg. What is the de Broglie wavelength of the telescope. g
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Ответ:
2.72 x 10^-43 m
Explanation:
mass of the telescope = 7500 kg
speed of the telescope = 3.25 x 10^5 m/s
de Broglie's wavelength of the telescope is given as
λ = h/mv
where
λ is the wavelength of the telescope
h is the plank's constant = 6.63 × 10-34 m^2 kg/s
m is the mass of the telescope = 7500 kg
v is speed of the telescope = 3.25 x 10^5 m/s
substituting value, we have
λ = (6.63 × 10-34)/(7500 x 3.25 x 10^5)
λ = 2.72 x 10^-43 m
Ответ:
39,098 kg
Explanation:
KE = .5 * m * v^2
52000=.5m * 1.63^2
52000=.5m * 2.66
52000/2.66=.5m
19,549 = .5m
19549/.5 = m
m=39,098 kg