Iron's ability to rust is not a physical property because

A. it cannot be observed.

B. the identity of iron stays the same.

C. a new substance with new properties is formed.

D. iron is magnetic

How does variation in the measuring device (instrument) effect the measurements obtained on a component?

Which of the following situations is an example of change in momentum? a. a tennis ball hit into a net b. a helium ballon rising up into the sky c. an airplane flying through scattered clouds

A certain lightning bolt moves 50.0 c of charge. how many fundamental units of charge (qe) is this?

An example of an atom that has no charge is one that has A. 3 protons, 2 electrons, and 1 neutron. B. 1 proton, 2 electrons, and 3 neutrons. C. 2 protons, 2 electrons, and 1 neutron. D. 3 protons, 1 electron, and 3 neutrons.

What is a longitudinal wave?

Candace is interested in learning more about colors. Which question about colors could be answered through scientific investigation?

What is an outward curving lens

wnat happens to the sound intensity level (expressed in dB) if we doubled the intensity of the voice of a specific sound?

An object has a kinetic energy of 233 J and a momentum of magnitude 20.4 kg·m/s. Find the speed and the mass of the object.

Why is the wavelength of a moving soccer ball not detectable to the naked eye?