Which is a physical property that can be used to tell one substance from another?

A. toxicity

B. density

C. reactivity

D. flammability

Which book has kinetic energy? O a book on a teacher's table O a book in a student's locker O a book lying on a shelf in the library a book falling from a backpack

What is the magnitude of velocity called?

What are the positively charged part of an atom called?

What is the mathematic expression of the relationship between x and t?

What is the current in a 10v circuit if the resistance is 20?

If the abosolute of a gas is 600 k, the temperature in degrees Celsius is

How does an electromagnetic wave propagate itself? a. A changing magnetic field induces an electric field perpendicular to the magnetic field. b. A changing electric field induces a magnetic field perpendicular to the electric field. c.

Which of the following is an example of convection? A. hot air rising and cooler air falling B. a hot object transferring heat to a cooler one C. a hot oven warming the air around it D. the rays of the Sun warming the earth

A 50,000 kg locomotive is traveling at 10 m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop? Assume the track is level.

A rectangular loop of wire with sides 0.262 and 0.401 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.