A sample of an unknown metal has a mass of 0.5 kg. Adding 1,985 J of thermal energy to the metal raises the temperature by 10oC. What is the specific heat of the metal?

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?