Which term means the weight of air measured in units of force per area?

A. air pressure

B. air viscosity

C. relative pressure

D. air resistance

How could you identify the unmarked poles of a magnet? A. Observe the concentration of field lines. B. Put a magnet with known poles nearby. C. Sprinkle iron fillings nearby and observe the field lines. D.

Motion. If a scooter is placed on an air track, will the scooter move on its own?

What is the average speed in km/h of a car that travels 160km for 2h?

What will happen within a circuit when a switch is opened? a. current will flow. b. current will stop flowing. c. current will flow if the voltage is high enough. d.

What are some of the human activities that threaten the world's largest surviving regions of rainforest?

ne mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 8.41 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore significant figures for this problem.

Is physical science part of physics?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.