Physics, 22.12.2019 01:31, nashaflores17
How has the concept of a "planet" changed since the 16th century before the invention of the telescope? do you think this shows scientific accuracy or disproves future facts, as one assumes that they will be discredited in time too? ?
Answers: 3
Physics, 22.06.2019 10:00, issaaamiaaa15
Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
Answers: 2
Physics, 22.06.2019 13:30, kuddlebugsmommy
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?
Answers: 1
Physics, 22.06.2019 16:00, ggdvj9gggsc
Suppose a soccer ball is kicked from the ground at an angle 20.0ΒΊ above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
How has the concept of a "planet" changed since the 16th century before the invention of the telesco...
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