Which of the following best describes newton's third law of motion? (more than one answer applies)

f=m • a

a swimmer turns and kicks off from the end of the pool.

a book will slide across the desk if you exert a force on it.

an object in motion will remain in motion in the same direction and at a constant speed unless another force acts on it.

law of inertia

shows the relationship between mass, force and acceleration.

for every action there is an equal and opposite reaction.

when a hammer strikes a nail, the nail exerts a force back on the hammer.

How many atoms are there in 5.70 mol of mg

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Is powdered sports drink ionic or covalent ? 10pts !