Blog

The venous system contains a higher volume of blood than the arterial system. 

From an energy standpoint, what happens when you roll a ball?

Every helium nucleus has 2 protons. Suppose a helium ion has no electrons. What is the ion’s charge?

An orange photon has a lower energy than a green photon. Therefore the orange photon has [L] wavelength, [f] frequency and [v] speed.

What type of energy does a cheetah have because of the food it has eaten?

What type of energy does a bird have because of its temperature?

Which of the following are greenhouse gases? Choose all that apply.

Which of the following is more energy efficient? (For this question, thermal energy does not count as kinetic energy.)

For the points P and Q, find the coordinates of the midpoint of the segment PQ. P(-1, 8), Q(-3, 5)

How would the electric force cause two protons in close proximity to behave?