if the piece of paper is cut in half over and over again, will their ever be a point at witch it is no longer paper? explain you'r answear.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

The lift raises a car of mass 850 kg to a height of 2.1 m. it uses a force of 8330 n and takes 4 seconds to raise the car. what is the power of the lift?