Which of these is not a form of matter?

a. air

b. milk

c. rock

d. light

Can someone explain the normal force? where does it come from? ... ?

The nonreflective coating on a camera lens with an index of refraction of 1.29 is designed to minimize the reflection of 634-nm light. If the lens glass has an index of refraction of 1.

Redacteza o compunere in care sa prezinti o modalitate placuta de petrecere a vacantei de vara

Paramecia have both a large nucleus and a small nucleus. a. True b. False

Which situation will have the highest resistance? A. long wire and high temperature B. short wire and high temperature C. long wire and cold temperature D. short wire and low temperature

Which one of the following statements concerning emf is true? A) Emf is the work done in moving the current from one terminal to the other of an emf device.

A fan is a complex machine? True or false?

Which force does not operate at a distance of 1 m? A. Weak nuclear O B. Electric C. Gravitational D. Magnetic

The deflection of alpha particles in rutherford's gold foil experiments resulted in what change to the atomic model?

What happens during evaporation? A liquid changes to a gas. A liquid changes to a solid. A gas changes to a liquid. A solid changes to a liquid.