2. What is the barycenter of the Moon and Earth? O The difference between the Moon's radius and Earth's or 4670 km.
The difference between the tilts of the Moon and Earth
The center of gravity between the Moon and Earth
The difference between Earth's orbit and the Moon's orbit

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

What are some properties of transverse waves?