the umbra and penumbra
Physics, 16.10.2020 15:01 dantelin123
3. What are the two parts of a shadow?
O opaque area and dark area
the umbra and penumbra
O the umbra and
antunghaya
O the illuminated opaque object and the umbra
Answers: 1
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 1
3. What are the two parts of a shadow?
O opaque area and dark area
the umbra and penumbra
the umbra and penumbra
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