It must be sliding friction, because the fish is already in motion.
Solar system is nested nearly 2/3 of the way from the center of the galaxy to the outskirt of the galactic disc.
Momentum = (mass) x (speed)
If the speed is zero, then the momentum is zero.
Answer:
On molecules of PH3, there has to be 3 atoms.
Explanation:
The Element Hydrogen (H) has 3 attoms.
The Element Phosphorus (P) has 1 atom.
These two created into the molecule PH3, would have to have only 3 attoms because they are asking how many hydrogens atoms are in the molecule PH3.
