Physics, 02.12.2020 14:40, cherylmorton7302
If it requires E joules of energy to raise a mass from the surface of the Earth to an altitude of 6,000 km above the Earth, how much energy is required to raise it from the surface to an altitude of 12,000 km?
Answers: 3
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 Ïw. take the Ïw direction counterclockwise when viewed from above. part a what will be the angular velocity Ïp of the platform if the person moves the axis of the wheel so that it points vertically upward?
Answers: 1
Physics, 22.06.2019 06:30, robertrkumar1
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 2
Physics, 22.06.2019 13:10, pearlvldz
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 Ă 1013 rad/s. the mass of a nickel atom is 9.75 Ă 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 Ă 10-34 j âą s, , 1 ev = 1.60 Ă 10-19 j)
Answers: 2
If it requires E joules of energy to raise a mass from the surface of the Earth to an altitude of 6,...
Mathematics, 28.08.2020 20:01
Mathematics, 28.08.2020 20:01
Mathematics, 28.08.2020 20:01