Physics, 23.11.2019 05:31 kimlyn58p0wyn0
Which of the following are true about the number of particles at a *thousandth* of a second after the bang?
a. there are lots of free protons, neutral hydrogen, and free electrons
b. there are lots of free protons, neutral hydrogen, but no free electrons
c. there are lots of free protons, no neutral hydrogen, and lots of free electrons
d. there are lots of free protons, no neutral hydrogen, and no free electrons
e. there are no free protons, lots of neutral hydrogen, and lots of free electrons
f. there are no free protons, lots of neutral hydrogen, and no free electrons
g. there are no free protons, no neutral hydrogen, and lots of free electrons
h. there are no free protons, no neutral hydrogen, and no free electrons
Answers: 1
Another question on Physics
Physics, 21.06.2019 19:20
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
Answers: 1
Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
Answers: 1
Physics, 22.06.2019 22:00
What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane
Answers: 3
You know the right answer?
Which of the following are true about the number of particles at a *thousandth* of a second after th...
Questions
Physics, 31.08.2019 18:30
Chemistry, 31.08.2019 18:30
Computers and Technology, 31.08.2019 18:30
Chemistry, 31.08.2019 18:30
English, 31.08.2019 18:30
Computers and Technology, 31.08.2019 18:30
Physics, 31.08.2019 18:30
Physics, 31.08.2019 18:30
