The third wire in a three-pronged plug is called a

What substance present in our body balances the atmospheric pressure acting upon us?

Is it true that once rock forms it never changes

Which is an example of the kinetic-molecular theory not holding true for a gas? The average kinetic energy of particles depends only on the temperature. The particles in a gas travel in straight lines in a continuous, random motion.

The speed at which an object falls and the acceleration at which it falls are always the same value. O O A. True B. False

Starting at 9 A. M. you hike for 3 hours at an average speed of 5 mph. You stop for lunch from noon until 3 P. M. What is your average speed over the interval from 9 A. M to 3 P. M.?

In which of the following wave types is the particle motion perpendicular to wave motion? a: longitudinal wave b: p wave c: surface wave d: transverse wave

Convert 1.5 radian into milliradians.

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.