Explain how the tension changes..[2](c)When the pulley system is used, the work done by the force is greater than the gravitational potential energy gained by the load.(i) Suggest one reason for this...[1](ii) Suggest one advantage for using the pulley system.*.*+[1] 相关知识点:...
Summing up, in the JF(E), where energy is conserved but energy-momentum is not, photons are the means of measuring length, time and mass. Proper mass increases with gravitational potential energy an...
When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change: work, power, gravitational energy, or chemical energy? For adiabatic process \Delta U = nC_v \Delta T , ...
Explain why it is easier to climb a mountain on a zigzag path rather than one straight up the side. Is your increase in gravitational potential energy the same in both cases? Is your energy consumption the same in both? Why are runways longer for takeoff and ...
Weightis the amount offorcewith which Earth'sgravitypulls on a particular mass: the more massive something is, the more gravitational force, and the more we say it weighs. Like any other force, we should measure weight in newtons.
解析(a)(statement) renewable(explanation) (wind) is) replaced / replenished OR does not run out O R is not used up O R is an infinite energy resource(b)any two from:geothermalnucleartidal(c)chemicalgravitational potential 反馈 收藏
Traditionally, these extra dimensions are thought to be on the order of the Planck length, a scale believed to be the characteristic size at which quantum gravitational effects become significant. Despite its elegance, this approach has failed to explain the observed value of dark energy. Basile ...
Explain about gravitational and elastic potential energy. Describe how stress and strain relate to elastic deformation? A solid can be defined as a material that can be bent and will resist bending. Explain how these properties relate to the binding of atoms in a solid but do ...
However, when the team adjusted the properties of the dark matter in their models to make it self-interacting, they found that the spike absorbed the energy without being disrupted. The black holes continue to spiral inward and into the zone where they emit gravitational waves that pulsar...
Personally I always think of it as your head being bowled over your heels - not the sort of "over" as in "higher gravitational potential energy", but in the same "around" sense of being "turned over" or "starting over". 108.162.218.47 03:58, 13 September 2015 (UTC) Yes, this never...