Coal seams measures 3 ft thick by 12 ft across and 150 ft in length. if the average energy value per pound of this given coal field is 11,000 btus/pound and this coal weighs 12 lbs per cubic foot then what is the energy value

Answer///air resistance,drag;

35.98  million  mile my friend

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day

The disturbance in a transverse wave is perpendicular to the wave motion.unlike a transverse wave, the disturbance in a longitudinal wave is parallel to the wave motion (a), that is, back and forth.