A Pulse Is Described By $y=3 /\left[(x+2 t)^{2}+4\right]$ In SI Units

question 16

Multiple Choice

A pulse is described by $y=3 /\left[(x+2 t) ^{2}+4\right]$ in SI units. What is the velocity of the pulse?

• A)3 m/s in the +x direction
• B)2 m/s in the -x direction
• C)2 m/s in the +x direction
• D)4 m/s in the -x direction
• E)4 m/s in the +x direction