Which of the following is NOT true about power? Group of answer choices

A)Power is work divided by time.

B)Power is a time-based quantity.

C)Power refers to how fast work is done upon an object.

D)Powerful people or powerful machines are simply people or machines which always do a lot of work.

This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same