GSuppose you have a molecule moving in the negative x direction at velocity 5.60 ×106 m s −1 , while an incoming light wave approaches the molecule in the the positive x direction. If the source light has a wavelength of 435 nm, what wavelength does the molecule "see"? Explain why the molecule "observes" wavelength you calculated and why it is shorter or longer than the incident light wavelength.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass