Julianna blows air onto the balloon to inflate it what can be known about the atoms of the air

You leave the doctor's office after your annual checkup and recall that you weighed 687 N in her office. You then get into an elevator that, conveniently, has a scale.

Why doesn't the rate of temperature range stay constant overtime?

Referring to the map of the temperature field in the room, what was the largest variation in temperature?

The weigth of a body decrease in a coal mine why?

Which of the following energy systems is used most when running a 10-second sprint?

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.