Physics, 13.10.2020 21:01 lerasteidl
FREE FALL ON THE MOON
1. A boy on Earth jumps straight upward with an initial velocity of 4.9 m/s.
a. How long does it take for him to reach maximum height?
Answers: 3
Physics, 22.06.2019 12:00, jazz8224
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 16:00, LikeIke2859
In which of the following is positive work done by a person on a suitcase
Answers: 1
FREE FALL ON THE MOON
1. A boy on Earth jumps straight upward with an initial velocity of 4.9 m/s.<...
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