If a piece of iron is placed in pure nitrogen, nothing happens. If the in is exposed to air, it begins to rust. What conclusion can you make about air, based on this observation?

What is the definition of work in Physics?

Calculating heat gained or lost requires mass, specific heat, and a. change in heat. b. relative humidity. c. change in temperature. d. rate of temperature change.

When comparing and contrasting EM and mechanical waves, which is true.

A current loop, carrying a current of 5.6 A, is in the shape of a right triangle with sides 30, 40, and 50 cm. The loop is in a uniform magnetic field of magnitude 110 mT whose direction is parallel to the current in the 50 cm side of the loop.

A blender uses 1500 joules of energy in 5 seconds. What is the power rating of the blender

Does adding a neutron to an atom's nucleus makes it an ion?

What is the difference between a fault-block and upwarped mountains?

Which of the following is not one of the reasons to properly warm up before exercising? A. Develop overall flexibility. B. Increase blood flow to the muscles and raise body temperature. C. Prevent injuries such as strains sprains and muscle cramps.

you are not chilly when swimming in warm water. but when emerging from warm water on a warm summer day, you feel chilly if the wind is blowing. Explain

A Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0 cm and a mass of 6.00 g.