Aneutral atom of potassium (k) has an average mass of 39 amu and 19 electrons. how many neutrons does it have?

2.22/3.33 points | previous answers tamucolphysmechl1 4.pre.002. ask your teacher my notes question part points submissions used on a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 2.40 m/s. (a) what are the magnitude and direction of the velocity of the red glider after the collision? magnitude 3.33 m/s correct: your answer is correct. direction correct: your answer is correct. (b) is this collision elastic?

An object has a weight of 500 on earth what is the mass of this object

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a