Light of wavelength 400nm is incident on two slits separated by 1000mm. the interference pattern from the slits is observed from a satellite orbiting 0.4mm above the earth. the distance between interference maxima as detected at the satellite is

a. 0.16mm.
b. 0.16km.
c. 0.16m.
d. 0.16mm.

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Most short-period comets do not have randomly oriented orbits because