A system consists of electrons, protons, and neutrons. It contains 250 neutrons and 150 protons.

What is the "plate boundry type" of north american plate and the pacific plate near california

When a substance freezes, its atoms become locked in place so they do not move from one position to another. Therefore, any substance that is frozen is a

A rubber bullet of mass m=0.025/,/mathrm{kg}m=0.025kg traveling at velocity v_0 = 50/,/mathrm{m/s}v 0 = 50m/s hits an iron block of mass M=15/,/mathrm{kg}M=15kg initially hanging at rest from a massless rope.

Lori's family is on a road trip. They split their drive into the five legs listed in the table. Find the average velocity for each leg of the trip. Then arrange the legs of the trip from lowest velocity to highest.

All exciting matter and space are referred to as the (?) whats the missing word

What career has to do with one of these listed ... fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.

Marcus tells Sabrina that for the last few months, he has not been able to detect moderate heat or cold with his fingertips. Which type of nerves are likely damaged?

What is gravity and what are the two factors that determine its strengeth

What is the first thing to check when a refrigerator stops working?

You are on a train traveling east at speed of 19 m/s with respect to the ground. 1) If you walk east toward the front of the train, with a speed of 1.5 m/s with respect to the train, what is your velocity with respect to the ground