okdexter7094 okdexter7094
  • 12-07-2022
  • Physics
contestada

A steel needle when placed carefully on water can be made to float.when the detergent is added to the water it sink.explain the observation

Respuesta :

hannjr hannjr
  • 12-07-2022

Answer:

The surface tension of plain water can cause a needle to float.

Evidently, the addition of detergent to the water reduces the surface tension of the liquid causing the needle to sink.

Answer Link

Otras preguntas

define a variable, write an inequality, and solve ; Ray had scores of 75, 82, 94, and 77 on his first four science test. what must he score on the next tes
Explain why the two alleles, ia and ib, that produce the ab blood type are said to be codominant.
Which statement describes the relationship between the Torah and the Old Testament? The Torah is the Jewish holy book. The Old Testament is a Christian holy boo
Why is Pompeii such an important archaeological site?
What did the Egyptians do because they believed in an afterlife? A. They worshiped many gods, including the sun god Re. B. They settled along the Nile River and
What is the LCD of 1/2 and 3/5? A.2 B.7 C.10 D.20
completa las oraciones con el miembro de la familia apropraiado what does this mean.
which continent borders Africa to the northeast
$65 digital camera marked up 50%
what does H2CO3 stand for