Physics, 06.11.2020 18:30, mairealexander87
15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. what is the change in the gravitational potential energy of the object
Answers: 2
Physics, 21.06.2019 22:30, makayladurham19
25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Physics, 22.06.2019 05:00, bbygrl70
Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
Answers: 1
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
15 joules of work are done by forces other than gravity in taking an object from a position 3 m abov...
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