What is the unit used to measure energy?

Why does lithostatic pressure increase more rapidly with depth than hydrostatic pressure?

You rapidly swirl a mixture of substances with different densities in a centrifuge, what will happen?

What force stops a moving object?

If I hit myself, and it hurts, does that make me weak or strong? A. Yes B. No

If an isotope has 8 protons and 10 neutrons in it's nucleus, what is it's atomic mass? A. 18 B. 8 C. 10 D. not enough information to calculate

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum

What's the symbol for an ionized bromine atom?

What is the hottest layer in the Sun's atmosphere?

Which do you need to calculate the speed of a wave? A. distance and frequency B. distance and time C. time and frequency