Author Question: Which of the following statements about hadrons are correct? (There may be more than one correct ... (Read 191 times)

jon_i · **on:** Jul 29, 2018

Which of the following statements about hadrons are correct? (There may be more than one correct choice.)

A) All hadrons are composed of quarks.
B) All hadrons interact by the strong nuclear force.
C) Hadrons are composed of leptons.
D) Electrons, protons, and neutrons are commonly-occurring hadrons.
E) Protons and neutrons are hadrons, but the electron is not.

Question 2

Two dogs, Rover and Fido, run on a level frictionless surface. Rover runs eastward with a momentum of 24 kg . m/s, and Fido runs northward with momentum 10 kg . m/s.

They make a sudden perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?
A) 14 kg . m/s
B) 26 kg . m/s
C) 34 kg . m/s
D) It cannot be determined without knowing the masses and velocities of the dogs.