¿POR QUÉ EN LAS CAFETERAS Y PLANCHAS SE PONEN MANGOS DE MADERA U OTRA SUSTANCIA AISLADORA?

Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3