What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas)

at 308 K? Use the equation: -mv2=nRT

For m, use 0.02000 kg. Remember that R = 8.31 J/(mol-K).

O

A. 876 m/s

O

B. 87.6 m/s

O

C. 1540 m/s

O

D. 15,400 m/s

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

Which of the following describes how a microwave heats food

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral