Ihave to match 1-9 with the words listed below

1. made of two protons and two neutrons

2. similar to an electron; positive charge

3. orbits nucleus; negative charge

4. bundle of energy; zero charge

5. found in nucleus; positive charge

6. very unstable; +, -, or zero charge

7. found in nucleus; zero charge

8. negative particle; negative charge

9. atomic energy converted to mass

electron

gamma

neutrino

meson

positron

beta

neutron

proton

alpha

The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?