Physics, 19.11.2020 14:00 damilysgonzalez2
Determine the force of gravitational attraction between the earth (m = 5.98 x 1024 kg) and
a 70-kg physics student if the student is standing at sea level, a distance of 6.38 x 106 m
from earth's center.
Answers: 1
Physics, 22.06.2019 03:30
Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
Answers: 1
Physics, 22.06.2019 12:00
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 18:00
Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
Answers: 1
Determine the force of gravitational attraction between the earth (m = 5.98 x 1024 kg) and
a 70-kg...
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