Why are machines not a 100% efficient?

Dans un tube en U contenant du mercure, on verse de l'autre côté de l'acide sulfurique de densité 1,84 et de l'autre côté de l'alcool de densité 0,8 de façon que les niveaux soient dans un même plan horizontale.

How does applying force to an object affect its motion

Does all energy travel in waves

What does it mean to transfer something

You are given a marble by your instructor and are asked to measure its density. Unfortunately, marbles roll when placed on a balance pan, so you decide to use a beaker to hold the marble while you measure its mass. An empty beaker has a mass of 31.

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.

Which statement is true? Select one of the options below as your answer: A. Quarks always occur in groups with leptons. B. Quarks always occur independently. C. Quarks always occur in groups with other quarks. D.

Peat is actually the early stage of

Explain how electric current is able to flow.